Whiskey-based refers to products or cocktails that primarily use whiskey as a key ingredient. Whiskey is a distilled alcoholic beverage made from fermented grain mash, which can include barley, corn, rye, and wheat. It is aged in wooden casks, giving it distinct flavors and characteristics. Popular whiskey types include bourbon, scotch, and rye. In the world of cocktails, whiskey-based drinks are diverse and popular. Classic examples include the Old Fashioned, Manhattan, and Whiskey Sour. These cocktails highlight the rich flavors of whiskey while often incorporating other ingredients like bitters, sweeteners, or citrus for added complexity.