Orange liqueurs are sweet alcoholic beverages made from the peels of oranges, often combined with other ingredients like sugar and alcohol. They are commonly used in cocktails and desserts, adding a citrusy flavor that enhances various drinks. Popular varieties include Cointreau, Grand Marnier, and Triple Sec. These liqueurs can be enjoyed on their own, over ice, or as part of mixed drinks. They are versatile and can be used in classic cocktails like the Margarita or Cosmopolitan. The distinct orange flavor makes them a favorite among bartenders and home mixologists alike.