Coffee liqueur, a type of alcoholic beverage, is a rich and flavorful ingredient often used in various cocktails. It is typically made by combining coffee with a base spirit, such as rum or vodka, and sweetening it with sugar or syrup. The result is a dark, syrupy liquid that carries the distinct taste of coffee along with the warmth of alcohol. Popular brands include Kahlua and Tia Maria, which are known for their smooth and balanced profiles.

In the context of cocktails, coffee liqueur adds depth and complexity to drinks, making it a versatile component in mixology. It can be used to create classic cocktails like the White Russian, where it is combined with vodka and cream, or the Espresso Martini, which mixes it with vodka and freshly brewed espresso. Beyond these, coffee liqueur can also be a wonderful addition to dessert cocktails, providing a delightful coffee flavor that pairs well with chocolate and cream-based ingredients.