Buy the very best liqueur online. Price and reviews available for DeKuyper Blueberry Schnapps Liqueur . DeKuyper Blueberry Schnapps Liqueur delivers the full-bodied taste of blueberry in every sip. This blueberry liqueur captures the taste of fresh, ripe blueberries in a cocktail glass. Great it on its own for a smooth, full-bodied drink, it balances your favorite cocktails with its deep blueberry flavor. Mix up favorite cocktails like Mojitos and Margaritas with a shot or two for a kick of blueberry color and sweetness.