L’Héritier-Guyot Cassis is a renowned French crème de cassis, a liqueur made from blackcurrants, produced by the L’Héritier-Guyot company, which was founded in 1848 in Nuits-Saint-Georges, Burgundy. The company, established by the Guyot family, initially focused on producing a range of liqueurs and aperitifs, with cassis becoming one of their signature products. L’Héritier-Guyot Cassis is celebrated for its rich, deep flavor and vibrant color, derived from the careful selection of blackcurrants and a traditional maceration process. The liqueur gained prominence for its use in classic cocktails such as the Kir and Kir Royale, where its sweet and fruity profile adds depth and complexity. Over the years, L’Héritier-Guyot has maintained a reputation for quality and authenticity, reflecting the long-standing tradition of French liqueur craftsmanship. Exact production date unknown. Production range believed to be in the late 1970’s.