Category: whisky

  • More Than 40 Drink Books Published in 2014 for Reading or Gifting

    This has been a great year for cocktails and spirits books- tons have come out, and the majority are written by well-respected bartenders and other experts. I haven't had time to read the majority of them, unfortunately, but below is a list of all the ones I know about. 

    IMG_6595

    Notable Cocktail and Spirits Books Published in 2014:

    Whisky Books:

     

    Other Spirits:

     

    Beer, Food, Sake, Sherry, Mixers, Etc. 

     

    Cocktail Recipe Books: 

     

    Bartending/Technique Books:

     

     

    Books from Bars or About Bars:

     

     

    Historical Books:

     

     Fun Drink-Related Books:

     

     

     

     

     

     

     

     

     

  • Enzymes in Spirits: What Are They and What Do They Do?

    In the process of making many types of alcohol enzymes are used, but I didn't know very much about them. So I decided to do some reading and share what I've learned. Or what I think I've learned anyway. 

    Enzymes are used in spirits production before fermentation. They are used to expose fermentable sugars in base ingredients so that they can be fermented by yeast. For example, a raw potato with yeast added to it won't produce potato beer (or not much of it). But when heated and with enzymes added then it will.

    Let's review spirits production:

    1. The base ingredient is prepared for fermentation. This can be as simple as crushing a grape or stalk of sugar cane, but many other raw ingredients must be prepared by methods such as malting (barley), baking (agave), heating in water (many things, called 'mashing' in whisky), and/or adding enzymes. 
    2. The ingredient now has its fermentable sugars exposed, so yeast can do its job and convert these sugars into alcohol.
    3. The result is a beer/wine with a low percentage of alcohol.
    4. The beer/wine is concentrated through distillation. 

    What Are Enzymes?

    • Catalysts that perform and speed up chemical reactions. They are present in biological cells. They do a lot of work in nature.
    • They convert molecules into other molecules. An example of this is the enzyme lactase, which breaks a lactose down into two glucose molecules. People who are lactose-intolerant do not produce the enzyme lactase so they can't process lactose. 
    • Enzymes aren't fuel for reactions – they're not consumed by the reaction they catalyze.
    • Enzyme activity can be affected by environmental things like temperature, pH, and pressure. (For most fermentable materials, the mash of hot water and raw material is heated to very specific temperatures so that the enzymes will work.)
    Enzyme2

    The enzymes are B,C,and D in this illustration. The material A is broken up. Source.

    Common Uses for Enzymes

    Some easy-to-understand cases where enzymes are used:

    • In meat tenderizers that break down proteins into smaller proteins, making it easier to chew.
    • In stain removers to break down fats or proteins on clothing. 
    • In digestion. From Wikipedia, "An important function of enzymes is in the digestive systems of animals. Enzymes break down large molecules (starch or proteins) into smaller ones, so they can be absorbed by the intestines. Starch molecules, for example, are too large to be absorbed from the intestine, but enzymes hydrolyze the starch chains into smaller molecules, which can then be absorbed."

    Enzymes in Beer Production

    The website HomeBrewTalk.com has a great, detailed chapter on enzymes in fermentation. They lay out how grains for beer are often mashed (heated with water) to two different temperatures.

    Mashing is the process in which the milled grain is mixed with water. This activates enzymes that were already present in the barley seed or have been formed during the malting process. These enzymes work best in particular temperature and pH ranges. By varying the temperature of the mash, the brewer has control over the enzyme activity.

    In barley starch makes up 63% – 65% of the dry weight. Starch is a polysaccharide (very large chains of glucose) which is insoluble in water. Brewer's yeast, however, can only ferment monosaccharides (glucose, fructose), disaccharides (maltose, sucrose) and trisaccharides (matotriose).

    In order for that starch to be converted into water soluble sugars (fermentable and unfermentable), two processes need to happen. First the starch is gelatenized to become water soluble. For starch found in barley and malt this happens above 140ºF (60ºC).  Secondly the activity of the amylase enzymes break the long chained starch molecules into shorter chains.

      

    Enzymes in Scotch Whiskey

    The malting process in scotch whiskey is a process to expose enzymes. To make malted barley, the dried grains are soaked in water so that the seeds just start to sprout, then the grain is dried to halt the process. Then when the grain is later mashed (has hot water added to it), the enzymes will convert the starches in the grains into fermentable sugars.

    According to Ian Wisniewski in Michael Jackson's Whiskey,

    "Growth hormones released by the grain also trigger the creation and release of enzymes that begin breaking down the cell walls and protein layers, in order to access the starch… The enzymes collectively termed 'diastase,' include alpha-amylase and beta-amylase (the latter is already present in barley). These enzymes are essential for the subsequent conversion of starch into fermentable sugars during the subsequent process of mashing."

    Enzymes Used in Many Spirits

    In other spirits, enzymes are added, which saves the malting step or speeds the natural reaction with enzymes naturally present. This is true in bourbon (from corn), in other spirits from grain (like vodka), and for potato vodka.   

    Most bourbon mashbills (recipes) contain a certain portion of malted barley. This is because the malted barley provides the rest of the batch with enzymes needed to break down the material into simpler sugars. However, in modern times many (if not all) major bourbon producers also add enzymes to the corn, wheat/rye, and malted barley mashbill to speed things up. 

    A good overview of the chemistry of this and list of enzymes available for purchase can be found on this IM biotech company site

     

     

    A Word on Karlsson's Vodka 

    KarlssonsBottleI'm doing a research project on potatoes for Karlsson's Vodka, which I visited a few years ago. 

    From the few potato vodka distilleries that I have visited, it seems that adding enzymes is standard in the process of preparing potatoes for fermentation. So I used this project as an excuse to learn more about enzymes.

    If you think about a raw vs. cooked potatoes, they get a bit sweeter after you cook them so we can guess that heat helps break down the starch into sugars- at least partially. Enzymes help with the rest.

    Karlsson's uses "virgin new potatoes" to produce their vodka. These are very small, skinless potatoes that are full of flavor that translates into the final spirit.  

     

     

  • Making Rye Whiskey at Anchor Distilling in San Francisco

    This post is sponsored by Anchor Distilling, makers of three rye whiskeys in San Francisco, California.

    Anchor Distilling makes three unique rye whiskies in a tiny corner of a big brewery in Potrero Hill in San Francisco. I visited, probably for my 6th time, to learn the story of how it all started and how the whiskies are made. 

    In the Beginning…

    OLDPOTREROSTRAIGHTRYEWhen you speak with start-up distillers, you realize that everyone wants to make whiskey, but whiskey takes time to age, it has the expense of barrels to age it in, and it requires space in which to age it. So most new distilleries launch vodka, gin, rum, and/or other unaged products first. That wasn't the case at Anchor Distilling, which launched an aged whiskey first and then gin later.

    "We had a huge advantage in that we were all brewers, and the brewery was bankrolling all this. We didn’t have a time table to get a product out on the market. We could go until we had what we wanted," says Bruce Joseph, Head Distiller of the Anchor Distilling Company. 

    "We were lucky that we were able to spend a lot of time experimenting. There wasn’t a lot of information out there for small-scale distilling. It wasn’t what any bourbon distillers were doing." Joseph (interviewed in May 2014) had been a brewer long before Anchor's founder Fritz Maytag had the idea to launch a distillery. 

    "I was in my early 20s when I started working here. The brewery had just moved into this building. When I started working here there were 13 employees. I thought, 'I’ll do this for a little bit' and I started working here and there was a real sense that these were a group of people on a mission: making beer that the majority of people didn’t want to drink," Joseph says. 
     
    Making products (beer, then spirits) that won't be appreciated by most people ever, and not by hardly anybody for a while after they hit the market, seems to be both a point of pride and the business plan at Anchor. 
     
    Photo 4

    The still for second distillation of whisky and genever
     
    In a 2012 interview of Anchor Brewing and Distilling founder Fritz Maytag conducted by Alan Kropf  of Mutineer Magazine (and now the Director of Education at Anchor), Maytag said his success with the beer company led to an explosion of other creative beer makers, and then it became less exciting the more other people were making equally exciting beers.
     
    "It got to where our competitors were coming out with all kinds of things including things that were kinda goofy. It got to where if you brewed a chocolate-blueberry stout people would say, 'Oh another one of those,' and I didn’t find that very rewarding."
     
    [All quotes from Maytag come from the interview with Kropf, who gave me access to the recording.]
     
    A Plenitude of Points of Differentiation
     
    Bruce Joseph was there for the beginning of the experiments with distillation. He says, "Rye was perfect for Fritz because it was historical and it was hugely unpopular. No one gave a damn about rye whisky at the time." 
     
    Not only was the choice to make rye a bold one, the choice to make it in a pot still was radical. At the time, in 1993, there were no legal pot-distilled whiskies being made in America – it was all made in continuous column stills. 
     
    Furthermore, Maytag decided on a 100% malted rye whiskey to distill.  He said, "The rules say 51% rye (to be legally called rye whiskey by US law) but the rye whiskeys don’t use malted rye- they just use rye- and probably some malted barley and some corn. Just as in Scotland they require that the single malt whiskeys be made with all barley malt mash, I thought, 'Why don’t we make rye whiskey but we’ll make it with malted rye?'"
     
    He continued, "And we thought we could steal the phrase 'single-malt.' We stole it fair and square – the Scots forgot to trademark it!"
     
    Malting is the process (required for all single-malt scotch whisky but with barley instead of rye) where the grains are allowed to germinate in wet conditions, then they're dried. This produces grain that is easily fermentable. (Most bourbons use a portion of malted barley in their recipes as this helps the other grains ferment, though today enzymes also help speed the process.)
     
    Anchor Still

    The still for the first distillation of rye whiskey and genever
     
    Joseph says, "Fritz had that idea that he wanted to do 100% rye. When we did early mashes we all just loved the flavor of the malted rye. It had a certain character and certain quality that was just real attractive. (Maytag described that taste as "a richer, warmer, friendlier flavor".) Once we started doing spirit distillation it just seemed that it was bursting with flavor."
     
     
    Fake It 'Til You Make It
     
    Yet another unique feature of the rye whiskeys made at Anchor is that the fermented mash goes into the still, not a wort. Or, in English: grains are fermented with water and yeast. After fermentation the whole thing goes into the pot still at Anchor.
     
    This is unusual: In Scotland where they use pot stills for single-malts, they separate the solids from the fermented beer before distillation (and the liquid beer is called wort). This prevents those grain bits from sticking onto the side of the still during distillation and burning. 
     
    Additionally, rye is known for being very gummy and hard to distill because of that. Joseph says, "Rye is a sticky, viscous, mess – a brewer’s nightmare."
     
    Luckily, their copper still came with a built-in agitator that can be turned on to keep the liquids in the pot moving so that nothing sticks and burns. Joseph says, "The very first time we did it, if my memory serves me well, we at first used the agitator when we were heating up the mash then turned it off during distillation. It caked onto the inside of the still, and once it’s cooked onto the side you don’t get heat transfer. We learned that in the first day or two."
     
    And I bet somebody had a not-fun job of scraping out the inside of a small 600-liter still. 
     
    Age Is Just a Number, Except in California
     
    The first single-malt rye whiskey from Anchor was aged barely over one year – 13 months. This was 1996, about six years before the whole white whiskey trend came to be. 
     
    Maytag said, "I thought that after 6-8 months our whiskey was just charming. It was kind of almost sweet. And since the (federal) law said that there were no rules about how long it had to be in the barrel – it just had to state the age (if under four years)- I said why don’t we bottle it at one year old?"

    He continued, "Later we discovered we had broken the California law, which was a stupid mistake. But in California to be called whiskey, never mind rye whiskey, you have you to be in the barrel for at least 3 years, and some of the barrels have to have been charred. Which is absurd because there were no charred barrels until about 1840 or so."

    Yes, another unique feature: one of the three single-malt rye whiskeys made at Anchor is aged in a hand-made, air-dried, toasted American oak barrel, while laws for bourbon specify charred oak and that's the standard. It was a combination of Maytag's wine expertise and dedication to make a historically valid whiskey that had led him to the toasted oak decision.  

    "We called it 18th Century-Style Whiskey because we couldn’t call it rye whiskey because it wasn’t aged in charred barrels. (But) that whiskey can’t be called whiskey at any age in California because there are no charred barrels. We still have a product that in California is labelled as a “spirit”; can’t call it whiskey, it’s crazy," he said. 

    This Is How It's Done 

    Old potrero hotalingsfinalAnchor Distilling makes three rye whiskies.

    • Old Potrero Single-Malt Straight Rye Whiskey (sometimes called 19th Century whiskey)
    • Old Potrero 18th Century Style Whiskey 
    • Old Potrero Hotaling's  Single-Malt Whiskey

    They all start with the same distillate, made from fermented 100% malted rye mash. Then they all go into different barrels at the same proof, "a little below the legal limit of 125 proof," according to Joseph. 

    • The Old Potrero 18th Century Style Whiskey is aged in toasted barrels for 2.5 – 3 years, sometimes with a little bit of older whisky mixed in. Joseph says, "Toasted barrels work better for a younger whisky."
    • The Old Potrero Single-Malt Straight Rye Whiskey is aged in new charred oak barrels for 4.5 – 5 years. Joseph says, "We prefer the whisky not to age too long."
    • The Old Potrero Hotaling's  Single-Malt Whiskey is aged in used whiskey barrels. These have always been ex-bourbon barrels, but recent releases will have been aged in used charred barrels that were used to age something else (forthcoming) at Anchor. Joseph says, "We kept tasting it but for the first 7 years we didn’t like it as much as the other whiskies. But finally we tried it after about 8.5 years after we hadn't in a while and we said 'We should have been putting more of this away!' The age of the release changes each year, as there isn't very much of it around. 

    The barrels were aged on-site in Potrero Hill for many years, but now they age in Western Sonoma County in a warehouse that keeps a San Francisco-like temperature year-round. 

     

    This post about the pioneering spirits created by Fritz Maytag and his team is sponsored by Anchor Distilling. 

  • The Great Decline in Irish Whiskey

    Kilbeggan stackIrish Whiskey was once one of the most popular spirits in the world and declined from thousands of distilleries down to just two by the late 1900s. Sales are once again skyrocketing on the back of Jameson's success, but things were pretty grim for a while.

    I knew many of the causes of the decline in Irish whiskey, but learned a few more in conversation with Kilbeggan brand ambassador John Cashman. Here are reasons that he laid out.

    1. The Irish Temperence Movement in the late 1830s that flared up again later in the century.

    2. The invention of the continuous/column Coffey Still, patented in 1830. Irish distillers were hugely reluctant to adopt the column still (despite Coffey being an Irishman) that they thought diluted the flavor of their whiskey. Before the invention of the column still, Irish whiskey was far lighter in flavor than scotch whiskey, and more popular because of it. However, the scots adopted the column still for making blended whisky and saw great leaps in sales because of it. 

    3. The Irish War of Independence, which ran from 1919 – 1921 and the retaliatory Anglo-Irish Trade War after. This pretty much killed the top market for Irish whiskey: Britain. 

    Kilbeggan coffey stills4. US Prohibition, which ran from 1920-1933. This killed the second largest market in America. 

    5. World War II, which ran from 1939-1945. Ireland was neutral in the war. American soldiers developed a taste for scotch, rather than Irish, whiskey. So that continued afterward. 

    In 1966, Irish Distillers was formed to stave off the continuing slump of the category by merging three big producers together. In 1972, Bushmills also joined the group so that there was only one company and two distilleries making all Irish whiskey. 

    When I was in Ireland recently I heard that there were 16 distilleries operating, being built, or in the planning stages.  It's the dawn of a new era. 

     

  • A Visit to the Kilbeggan Distillery in Ireland

    A while back I visited the Kilbeggan Distillery in the middle of Ireland. Kilbeggan is in partnership with the Cooley distillery, a much larger one (without a visitors' center) that was once independent but is now owned by Jim Beam. They make not only Kilbeggan Irish whiskey, but also Tyrconnell, Greenore, and Connemara. 

    Kilbeggan map
    The distillery dates back to 1757 and they claim it is the oldest licensed distillery in Ireland. You'll note that Bushmills claims they were founded in 1604 but Kilbeggan disputes that. 

     

     

    • Kilbeggan Sign
    • Kilbeggan stack
    • Kilbeggan oldest distillery sign
    • Kilbeggan sign (2)
    Kilbeggan sign (2)

     

     

    While today Kilbeggan is a working distillery, the stuff that is working is a tiny part of the overall distillery, and most of what you see on the visit is a somewhat-working display. That said, it's a really, really cool display. 

    Most of what one sees- the huge gears and equipment- dates back to the the 1860s to 1880s. It's all wonderfully steampunk. 

    The distillery is situated near a small stream where they pulled their water and powered the operations. The water powered the water wheel which powered the millstones that ground the grains that were used as the raw material for distillation. They also used the stream to cool liquids by running pipes through it.

     

     

    • Kilbeggan water wheel2
    • Kilbeggan water wheel3
    • Kilbeggan water wheel5
    • Kilbeggan view
    • Kilbeggan9
    Kilbeggan9

     

    Inside the distillery there is a 150 horsepower steam engine. This would have been used only a couple of times each year when the river was too low or two high to generate power. The engine still works and they turn it on a couple of times each year.

     

    • Kilbeggan8
    • Kilbeggan4
    • Kilbeggan7
    • Kilbeggan5
    Kilbeggan5

     

    The old stills are nearly round in shape and though they're exposed to the elements now, they used to be indoors. They triple distilled the spirit here in the olden days, as is traditional for Irish whiskey. They also have original Coffey stills on display which were used to make column-distilled spirit.

     

    • Kilbeggan old stills1
    • Kilbeggan old stills2
    • Kilbeggan coffey stills
    • Kilbeggan wood fired7
    Kilbeggan wood fired7

     

    According to my host John Cashman, Ireland stopped using peat when they could import coal by train, around the 1940s.  

    The strange bulbous building is an old warehouse that they now use primarily for dumping casks before transporting it to Cooley for bottling. In the warehouse they have a few special barrels including one that was laid down in honor of President Obama's election, and another one specifically for the band Mumford & Sons. 

     

    • Kilbeggan storage (2)
    • Kilbeggan barrels
    • Scale
    • Kilbeggan mumford and sons
    • Kilbeggan barack obama barrel
    Kilbeggan barack obama barrel

     

    They are distilling at Kilbeggan, just in a small section with two tiny stills. They use a course grind of barley (because they use old wooden wash tubs that can't handle smaller grains) and ferment it for about 3 days until it reaches 6-8% ABV. They then distill it twice in tiny stills, first up to 20-22% then up to 68-70% ABV. 

    The still for the second distillation is actually the oldest working pot still in the world, according to Cashman. It comes from the old Tullamore distillery. (Part of the reason it has survived so long is that for a good while it was only used to distill water.)

     

    • Kilbeggan active stills
    • Kilbeggan active stills3
    Kilbeggan active stills3

     

    During a tasting of the product range, Cashman made an interesting claim: "The smoothness of Irish whiskey is not due to triple distillation but it's due to our climate. It is the lack of extreme (temperature fluctuations) that allows Irish whiskey to age at a mild and mellow pace." 

    I got to try the range of whiskies made at Kilbeggan and/or Cooley:

    • Greenore Single Grain – an Eight year old grain (column distilled) whiskey
    • Kilbeggan – a blend of Cooley grain whiskey and malt whiskey distilled at Kilbeggan
    • Kilbeggan 18 Year, which has been discontinued
    • Kilbeggan Distillery Reserve Malt, which is aged 3-4 years ina quarter cask
    • Tyrconnel, apparently the biggest selling Irish whiskey in the US before Prohibition. It is a single malt that is finished in casks: Madeira, port, or sherry. All of them are 46% non chill filtered
    • Connemara, which is the peated Irish whiskey made at Cooley. It is 100% peated single-malt with no age statement. It's peated to just 14 ppm phenol but since the whiskey is so light the peat has a stronger effect. They use 4, 6, and 8 year old whiskies in the blend.
    • Connemara Turf Mor, which is a heavily peated (54 ppm) single malt aged 3 years and sold at cask strength
    • Connemara Bog Oak – a blend of 3 year Turf More and 18 year Connemara that are married in a barrel with "bog oak" cask ends

    Kilbeggan tasting

    Kilbeggan is one of the coolest looking distilleries I've visited, somewhere in technology between the amazing wooden gristmill of George Washington's distillery at Mount Vernon and the rhum agricole distilleries of Martinique with their huge working gears. It's defnitely worth a visit if you're driving across Ireland. 

     

  • Distillery Visit: Bushmills in Ireland

    A while back I enjoyed a brief visit to the Bushmills Irish Whiskey distillery, located at the northern tip of Northern Ireland. 

    Bushmills map
    Bushmills is located super close to the Giants' Causeway, a natural phenomenon that brings tons of tourists through town every day. Pretty much all the tours also stop at Bushmills, whether that's for a full distillery tour or just a meal in the visitors' center restaurant. 92,000 people visited the distillery in 2012.  

    Bushmills barrels

    Bushmills doesn't have column stills; all the whiskey made here is triple distilled from 100% malted barley. (Thus the same as single-malt scotch except that it's distilled an additional time.)

    The barley for Bushmills is grown in Cork, down in the south of Ireland. It is malted  and ground into a grist. The water for fermentation comes from a tributary of the Bush River nearby. 

    Like single-malt scotch, the malted barley has added hot water to it in a mash tun, and then its drained. This is to keep the fermentable sugars in the water but get rid of the solid bits that gum up the works. It is transferred to a wash back, where it is fermented with brewer's yeast for about 50 hours. The resulting beer is around 8% ABV.

    Bushmills sign

    The beer is then distilled. Bushmills has 10 pot stills (2 wash stills and 4 each feints and spirit stills) in a surprisingly small, crowded room. According to my guide, the whiskey is distilled up to 25-30% ABV on the first distillation, then 70% and 84% after the second and third distillations. 

    Like scotch whisky, they redistill the heads and tails in the next batch so there is no waste. The "pot ale" that is the leftover stuff from the first distillation is made into a syrup and sold for animal feed. The spent barley grain is also sold for animal feed, as it is at most grain distilleries. 

    The water used to dilute the whiskey to final bottle strength is reverse osmosis-filtered municipal water. They put whiskey into the barrel at 63% ABV.

    Bushmills3

    Four different types of barrels are used to age Bushmills: ones that formerly held bourbon, oloroso sherry (from the Paez bodega), port, or Madeira. They said they reuse their ex-bourbon barrels 3 times before they're no longer useful.

    While Irish whiskey by law must be aged a minimum of 3 years, the youngest Bushmills is aged for six, and Black Bush is aged for eight. Both the Original Bushmills and Black Bush are blended Irish whiskeys; made with a blend of triple distilled malt whiskey produced on-site and column distilled whiskey purchased from Midleton (but aged on-site here at Bushmills).

    Bushmills6

    Original Bushmills is 55% single-malt and 45% grain whiskey.

    Black Bush is about 80% single-malt and 20% grain whiskey. It is aged in around 70% ex-sherry casks and the rest in ex-bourbon.  

    The rest of the line are single-malts.  The 10-year-old is about 90% ex-bourbon aged, with the rest sherry. 

    The 16 year old Bushmills is aged in bourbon and sherry casks in equal volumes. Then the whiskey is blended and finished in ex-oirt barrels fro 6-9 months. 

    The 21-year-old is also made up of whiskey aged in bourbon and sherry casks for 19 years, then finished in Madeira casks for 2 years. 

    All Bushmills is bottled at 40% ABV and chill-filtered. The only exception to that was the 1608 that is no longer available. 

    Bushmills sells around 880,000 cases annually, with the US its biggest market. They have 80 acres of land on which the barrels age. As it's such a small distillery, they distill 24/7 throughout the year with the exception of 2 maintenance periods. 

    Bushmills7
    No pictures were allowed inside the distillery, sorry for the lack of razzle-dazzle. 

     

  • Buffalo Trace: A Second Visit to the Distillery

    On my last visit to the Buffalo Trace distillery in Kentucky, I took a very cool tour of the property that you can read about at that link.

    On a visit this past February as part of the Bourbon Classic event in Louisville, I had another tour that was completely different and I learned all new stuff. I never mind going to distilleries multiple times as there is always something new to pick up. 

    Buffalo Trace Distillery window view2

    Below are just some miscellaneous facts I picked up, rather than the whole picture. 

    As it has been operating since 1787, Buffalo Trace is the oldest continually operating distillery in the US. They have 100 buildings on a property that stretches 130 acres, with 320,000 barrels aging on-site.

    Buffalo Trace Distillery outside

    Buffalo Trace makes 17 bourbons at the distillery (plus a few other products), distilling five days a week. Despite this, they use just one strain of yeast for all their products. 

    Buffalo Trace Distillery lineup

    In the fermentation process, 2/3 of the mash is 'sweet mash' that has just been fermented, while the remaining third is 'sour mash' that comes as the waste solids of the first distillation. 

    Buffalo Trace Distillery fermenter

    They use four water sources: spring water, reservoir water, river water, and municipal water. The first waters are filtered through sand and used in fermentation. The river water is also used in cooling after distillation (I'm guessing unfiltered). The municipal water is reverse-osmosis filtered to bring spirits down to bottle strength, as is the norm. 

    Buffalo Trace Distillery column still

    There's always more to learn on future visits…

  • Jim Beam’s Newish Distillery Tour

    I've been to the Beam distillery three times now. I wrote about my first visit in 2008 here, with an additional post about the bottling line. Then I stopped by for another brief visit in 2012 where I got a preview of some of the outdoor displays as part of the new visitors' center. 

    In early 2013, I revisited the Jim Beam distillery during my visit for the Bourbon Classic, held in Louisville. In 2014 the Bourbon Classic will be held on January 31 and February 1. 

    Jim Beam Distillery visitors center

    This time, the new visitors' center, called the Jim Beam American Stillhouse, was fully operational and we went on a really cool tour. I'm not sure if this is the same tour offered to everyone or not, but it quite likely was. 

    As I learned on previous visits, the actual distillery is quite industrial and not super pretty, so they built a new microdistillery where they do small batch versions of bourbon. It makes 1 barrel batches at a time. 

    Jim Beam Distillery experimental still

    They took us through a room where we'd put a scoop of grains into the cooker and saw the small column still, so we were able to see the whole production process though not the actual equipment used to produce Beam for the most part. 

    Jim Beam Distillery sample room2

    But anyway, here are some things I learned:

    • The mash is 6% ABV after fermentation
    • They use 41% sour mash. Other distilleries I visited used roughly 33%. I do not know what the difference that makes in the flavor of the final bourbon.
    • The cooked mash goes through over a mile of pipes before fermentation to chill it without using tons of electricity.
    • The fermentation process takes 3 days.
    • Their fermenters are closed-top rather than open
    • The big column still has 23 plates. It is 5 feet wide and 5 storeys tall.
    • They distill to 125 proof in the column still, then to 135 proof in the doubler
    • They fill 300,000 barrels every year and have 1.8 million barrels in storage.
    • They give their barrels a #4 char
    • The whiskey goes into barrels at 125 proof, which is the maximum
    • There are 72 warehouses where they age whiskey, 28 of them are on-site at the distillery

    While this post focuses on production, between the microdistillery, outdoor displays, visitors' center, and new restaurant on site, the Jim Beam distillery has gone from an industrial distillery to a great tourist attraction. 

      Jim Beam Distillery rickhouse

  • Four Roses Bourbon Distillery: A Second Visit

    In 2008 I first learned about Four Roses Bourbon and its history. Then in 2010 I had the chance to visit the distillery and wrote it up here.

    In early 2013 on a trip to the Bourbon Classic event in Louisville I had a chance to visit a second time. These are some notes from that visit. 

    Four Roses Distillery barrels2

    Four Roses fills 280 barrels per day, a drop in the bucket compared with other bourbon brands. 

    Their corn currently comes from Indiana and rye from Denmark. The grains are smashed up with a hammer mill before cooking. In the cooking process first they add corn and cook it, then cool it and add rye, then cool it more and add malted barley.

    They have 23 fermentation vats and ferment for 75-90 hours depending on the season. About 25 to 30 percent of the fermenting mash is "backset" aka "sour mash" – the solids that come out of the still of the previous batch. 

    The water they use comes from the local river, and they have to stop production if the river water gets too low or too hot in the summer.

    Four Roses Distillery fermenters

    They distill it to 132 proof in the column still, then up to 137-140 proof in the doubler (which is like a continuous pot still – see this post for more info).  Unlike other bourbon distilleries I've seen, the doubler at Four Roses looks like a traditional pot still with a lyne arm rather than just an oval container with no swan's neck at all. 

    Four Roses Distillery doubler

    The whiskey is then diluted to 120 proof before aging in the barrel. 125 proof is the legal limit for this. 

    Four Roses Distillery column

    So hopefully with this post, plus the previous ones on blending and brand history, a fuller picture of Four Roses comes to be. 

  • Distillery Visit: Town Branch Distillery in Lexington, Kentucky

    In early 2013 I visited the Town Branch Distillery in Lexington, Kentucky. At the time it was the newest addition to the Kentucky Bourbon Trail.

    My visit was part of the Bourbon Classic, a great event that is taking place in 2014 on Jan 31 and Feb 1. 

    The distillery goes by a lot of names, so let me try to clarify as best as I understand it. The Town Branch Distillery is owned by the Lexington Brewing & Distilling Company, which is a division of Alltech.

    Alltech is a huge international company dealing with yeast and I believe that yeast is primarily used in animal feed supplements. The company was created by Dr. Pearse Lyons, who studied brewing at Guinness and Harp in his early days. So the yeast connection all makes sense.

    Before the distillery part of the operation was created, they began making beer here. The flagship brand is Kentucky Bourbon Barrel Ale, which is aged for six weeks in ex-bourbon barrels. It's only available in a handful of states, and I recommend trying it if you can get your hands on some. 

    Alltech Distillery Town Branch

    Model display of brewery/distillery

    Distilling

    The distillery was added on to the small brewery and is the stills are housed in a glass-walled room with gleaming copper pots.

    With the exception of Woodford Reserve, all the major bourbons in the US are made in continuous column stills.  At Woodford, they distill three times in copper stills. The first distillation primarily separates the solids in the fermented mash from the liquids (alcohol and water), then the second and third distillation separate most of the water and impurities from the alcohol.

    Alltech Distillery Town Branch still room2

    At Town Branch, there are just two pot stills. The reason they don't need a third distillation is that the mash (beer) doesn't contain solids. (Note that in Scotland they also distill twice, but they have a step where they remove the solids from the beer that they don't usually do in the US.) Town Branch uses something called 'gelatinized corn' as a raw ingredient that they don't have to grind up and cook, unlike most distilleries. 

    The Town Branch Bourbon uses a grain recipe of 72% corn, 15% malted barley, and 13% rye. In the fermentation process they use enzymes and after this is done there are almost no solids left in the mash. 

    The Pearse Lyons Reserve in a single malt, so it uses all malted barley. 

    The beer, which is fermented to around 8% alcohol, is distilled to 28-30% on the first distillation and up to 67-68% on second distillation. 

    After distillation, the Pearse Lyons Reserve ages in new barrels, used barrels, and wine barrels. The cool thing about the used barrels is that they were the ones used for the beer, so in fact they were used once for bourbon, then once for beer, then again for the single-malt.

    The Pearse Lyons Reserve single-malt is aged for nearly 4 years, and the Town Branch is aged for 3.5 years at minimum. They also make a coffee-infused bourbon called Bluegrass Sundown. They use this in a version of the Irish Coffee at the on-site tasting room by adding boiling water and cream on top.

    This visit was a great chance to see a small-batch distillery making American whiskey a different way along the Kentucky Bourbon Trail.

      Alltech Distillery Town Branch display