Founded in 1695, DeKuyper has quickly become a leading cordial brand that bartenders trust and defines the American cordial market today. Many of the natural flavors used in our DeKuyper® products are derived directly from botanical sources. United States- Hazelnuts give this unique liqueur its sweet, full-bodied flavor. Use DeKuyper Hazelnut to make a delicious Red Velvet Cake Martini or a shot of Wedded Bliss.