Bells Bourbon Barrel Aged Kalamazoo Stout is an American Stout by style. A bourbon barrel aged version of Bell's classic Kalamazoo Stout. Notes of spicy oak, bourbon and roastiness. Chocolatey. Aged in a mixture of barrels from three different distillers. This craft beer is 8.9% ABV. In this craft beer review, we will take a look at the color, smell, and taste.