A Whiskey Sour is a classic cocktail made with whiskey, lemon juice, and sugar. It is typically served over ice and garnished with a slice of lemon or a cherry. The drink balances the rich flavors of whiskey with the tartness of lemon, creating a refreshing and enjoyable beverage. The origins of the Whiskey Sour date back to the 19th century, making it one of the oldest cocktails. It is often associated with the Sour family of cocktails, which includes variations like the Pisco Sour and Daiquiri. This drink remains popular in bars and homes around the world.