Dekuyper® Peachtree® Peach Schnapps Liqueur. 30 Proof. 750 ml. Dekuyper Peachtree Schnapps brings you all-natural, bartender-quality flavor so you can mix classic cocktails or create your own signature drinks. Dekuyper, the Brand Bartenders trust. Under license from De Kuyper Royal Distillers, Schiedam, The Netherlands. For recipes: www.dekuyperusa.com.