Whisky (or whiskey, depending on the region) is a distilled alcoholic beverage made from fermented grain mash, which can include barley, corn, rye, or wheat. The grains are mashed, fermented, distilled, and then aged in wooden casks, usually oak, which gives the whisky its color and depth of flavor. The aging process can range from a few years to several decades, resulting in a wide variety of flavor profiles, from smooth and light to rich and smoky. Well-known types of whisky include Scotch whisky (from Scotland), Bourbon (from the U.S.), and Irish whiskey. It is often enjoyed neat, on the ro