Cellar Key

13.6% alcohol. Introduced in 2026. Brewed in Kansas City by Boulevard Brewing Company. "Barrel-Aged Blend | Grand Cru With this key, you have unlocked a passage to our decades-long tradition of blending the finest ales, rested in a selection of the world’s most sought-after barrels. Cellar Key opens the door to our very finest blend. Our master blenders have perused their barrel library of over 5000 casks and meticulously blended a collection of our most exceptional vintages gathered over the years. Deep and dark, rich and refined, you have been granted access to our cellars’ best. Cellar Selection 44% Whiskey Barrel Stout in Kentucky Bourbon Barrels 12% Imperial Rye Ale Aged in Rare Kentucky Barrels 10% Double Barrel-aged Sweet Stout in Rum Barrels 10% Wheated Stout Aged in 12-year Kentucky Bourbon Barrels 10% Triple Mashed Stout aged in 8-year Missouri Bourbon Barrels 7% Double Barrel-Aged Eisbock in American Rum Barrels 7% Whiskey Barrel Stout Aged in 18-year Kentucky Bourbon Barrels" https://www.boulevard.com/beverage/cellar-key/