Ouzo and Water

The quintessential Greek aperitif where anise-flavored ouzo transforms from crystal clear to milky white when cold water is added, creating the mesmerizing louche effect.

Ouzo has been Greece's legally designated national spirit since 1932, when the Greek government passed legislation protecting it as an exclusively Greek and Cypriot product — one of the earliest geographic indications for a spirit in Europe. Its production is concentrated on the island of Lesbos, particularly around the town of Plomari and the Mitilini area, and in Macedonia on the mainland, where multi-generational distilling families maintain closely guarded botanical recipes. The defining botanical is anise, typically a combination of star anise, fennel seed, and sometimes coriander, clove, or cinnamon, which are macerated in rectified alcohol before redistillation. The most visually distinctive property of ouzo is the louche, the milky white cloudiness that forms when cold water or ice meets the clear spirit. This transformation happens because the essential oils in anise, primarily anethole, are soluble in high-proof alcohol but not in water: when the alcohol concentration drops below a critical threshold, the anethole molecules come out of solution and form an emulsion of microscopic droplets that scatter light. In traditional Greek kafeneia, the neighborhood coffeehouses that serve as social centers, ouzo has been served with cold water since the 19th century. The drink is inseparable from meze culture, the small plates of cured meats, cheeses, olives, and seafood that accompany it.