WhistlePig The Beholden Aged 21 Years Single Malt Whiskey is a limited-edition whiskey from the Vermont-based distillery. This whiskey is made from 100% malted barley and aged for 21 years in American oak barrels. It has a deep amber color and a complex flavor profile of dried fruit, toasted oak, and baking spices. The finish is long and smooth, with notes of caramel and vanilla. This whiskey is best enjoyed neat or on the rocks.