Fruit liqueurs add the distinctive, concentrated flavour of specific fruits to cocktails and direct-sip drinking. The traditional method involves macerating fresh fruit in neutral alcohol, then sweetening and sometimes blending with additional spirits. Modern industrial production may use fruit extracts and concentrates instead. Quality varies enormously — premium limoncello uses Sorrento lemons; budget versions use lemon flavouring. The category includes citrus (Limoncello, Triple Sec, Cointreau, Curaçao), stone fruit (peach schnapps, Maraschino cherry liqueur), berry (Crème de Cassis, Chambord raspberry liqueur), and exotic (Midori melon, Pinaq tropical, Indian Maharani Aanjeer fig liqueur).

The Margarita uses tequila, lime juice, and orange liqueur (Cointreau or Triple Sec). The Cosmopolitan uses vodka, cranberry juice, lime, and Cointreau. The Sidecar uses Cognac, Cointreau, and lemon. The Kir Royale uses Champagne and Crème de Cassis. The Bellini uses Prosecco and peach purée or peach liqueur. Each of these depends on a quality fruit liqueur — using cheap substitutes produces noticeably inferior cocktails. Cointreau is the most-used fruit liqueur in cocktails globally.

Most fruit liqueurs aren't designed for direct sipping — they're cocktail ingredients. Limoncello is the exception — chilled, served straight in small glasses as an Italian after-dinner ritual. Other fruit liqueurs work as dessert pairings — Crème de Cassis over ice cream, raspberry liqueur in fruit salads. For a home bar, Cointreau is essential (Margaritas, Cosmopolitans, Sidecars). Beyond that, choose based on the cocktails you want to make.