Orange liqueur is a sweet alcoholic beverage made from the peels of oranges, often used in cocktails and desserts. It typically has a vibrant orange color and a rich, citrusy flavor. Popular varieties include Cointreau, Grand Marnier, and Triple Sec, each with its unique taste profile and production methods. This liqueur is commonly enjoyed in mixed drinks like the Margarita and Cosmopolitan, adding a refreshing twist. It can also be sipped on its own or used to enhance the flavor of various dishes, making it a versatile ingredient in both bars and kitchens.