Blackberry liqueur, also known as crème de mûre, is a sweet, dark purple alcoholic beverage made from macerated blackberries. This liqueur is renowned for its rich, fruity flavor and is often used to add depth and complexity to cocktails. Its natural sweetness and berry-forward profile make it a versatile ingredient that pairs well with a variety of spirits, particularly gin, vodka, and whiskey.

When used in cocktails, crème de mûre (blackberry liqueur) can serve as a primary flavor component or a complementary accent. A classic example is the Bramble cocktail, where the liqueur is combined with gin, lemon juice, and simple syrup to create a refreshing and well-balanced drink. Additionally, blackberry liqueur can be used to enhance the flavor of sangrias, punches, and dessert cocktails, adding a touch of elegance and a burst of berry goodness to any drink.