Whiskey is a popular distilled alcoholic beverage that originates from various grain mash including barley, corn, rye, and wheat. This drink is typically aged in wooden casks and the process of maturation gives it a distinct flavor and amber color. There are several types of whiskey such as Scotch, Irish, American (Bourbon/Rye), and Canadian. It is often consumed straight, on the rocks, or used as a base in various cocktails.