Dekuyper® Peppermint Schnapps. The brand bartenders trust. 30% Alc./vol. (60 proof). Dekuyper Peppermint Schnapps brings you all-natural, bartender-quality flavor so you can mix classic cocktails or create your own signature drinks. Dekuyper is committed to providing you with cordials of the highest quality. We use all-natural flavors, and our products do not contain high fructose corn syrup. Dekuyper, the Brand Bartenders Trust. For additional recipes: www.dekuyperusa.com. Under license from De Kuyper Royal Distillers, Schiedam, the Netherlands.