Sloe gin is a type of liqueur made by infusing gin with the fruit of the blackthorn bush, known as sloe berries. The process typically involves steeping the berries in gin along with sugar for several months, resulting in a sweet, fruity drink with a deep red color. Traditionally, sloe gin is enjoyed as an aperitif or used in cocktails. It has a rich history in the United Kingdom, where it is often homemade during the autumn months when sloe berries are ripe. The drink is known for its tart flavor balanced by sweetness, making it a popular choice for many.