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KWM 2022 Whisky Calendar Day 9: Boulder Peated Single Malt Whiskey

Posted on December 9, 2022

BONUS CONTENT: Read Andrew's write-up on our oldest Glenglassuagh KWM Cask!

by Evan

After taking a foray Single Grain Scotch yesterday, it might be a good idea to go with something safe. Maybe a peated single malt just to get back onto familiar ground. That is exactly what we are going today when we open up Door Number Nine and taste this traditional Single Malt... Whiskey? From Colorado?!?

Okay, maybe this isn’t a Scotch, but fear not: A Scottish lad named Alastair is involved in the making of Boulder Peated Single Malt Whiskey. That makes it traditional, right?

Boulder Spirits is the brand name used by Vapor Distillery of Boulder, Colorado. Vapor Distillery was founded in 2007 when it started operations under the name Roundhouse Spirits. It was the first legal distillery to open in Boulder County.

The American Single Malt Whiskey category is young when compared to the more well-known Whiskey styles produced in the USA. As of my writing this, there are no official regulations for American Single Malt Whiskey and how it can be produced. There is currently a draft of a standard for the category, which was released in July 2022. This is what the draft currently proposes for the definition of American Single Malt Whisky:

“American Single Malt Whiskey is whisky distilled entirely at one United States distillery, mashed, distilled, and matured in the United States of America, distilled to a proof not exceeding 160° proof from fermented mash of 100% malted barley, stored in oak containers not exceeding 700 liters, and bottled at not less than 80° proof.

Most American Single Malt Whiskey I have tasted are given a similar treatment to other styles of American Whiskey when it comes to maturation. Heavily Charred Virgin Oak casks seem to be the typical aging vessels, similar to what is used for maturing Bourbon and Rye Whiskey. Maybe this will change over time since it doesn’t seem to be part of the regulation debate. A minimum age requirement doesn’t seem to be in the discussion either.

What does this Peated American Single Malt Whiskey taste like? I have tried a few others in the past, such as McCarthy’s from Oregon and Westland’s Peated Single Malt from Seattle. I am excited to see how this one stacks up to others.


Boulder Peated Single Malt - 46%

Full-size bottles are available here

Made from 100% peated Scottish Malt, this American whiskey was matured in virgin American Oak barrels with a number 3 char.

Evan’s Tasting Note

Nose: Chocolate and dry smoke – very s'more-like upfront. Roasted pumpkin seeds, Rooibos tea, toasted dark rye bread, drying tobacco leaf, brownies, French roast coffee, and apple crumble.

Palate: Chili flakes and chocolate-coated almonds, a rack of smoked ribs, honeydew melon wrapped with prosciutto, blackberry compote, plus a touch of clove and black licorice.

Finish: Dark chocolate and dry smoke stick around.

Comment: Very roasted and toasted in style thanks to the #3 Char American Oak Barrels it was aged in. One of the better American Single Malts available right now in my opinion.

Nosing the empty glass after tasting it and I must say; I quite like this whiskey. It is a bit dryer in style than I typically go for, but it is very well put together. Will tomorrow’s dram be as enticing? See you on the flipside and we will find out then!

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This entry was posted in Whisky, Bourbon, Whisky Calendars, KWM Whisky Calendar 2022



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