Created using apple flavours, De Kuyper Sour Apple liqueur is a blend of fresh sweet & sour apples with fine spirits making it a perfect vibrant cocktail liqueur with its refined, intense flavours & fresh apple aroma. De Kuyper is the world's largest cocktail liqueur producer, since their establishment as liqueur producers in the 1920's. De Kuyper Sour Apple liqueur's unique taste is comparable to the Granny Smith apple & is used in a wide variety of drinks.