Boker's Bitters is a vintage cocktail bitters, invented by Johann Boker in 1828. Production of Boker's Bitters ceased during Prohibition, but the formula has been recreated and reintroduced by Adam Elmegirab in August 2009.
Featuring seven different botanicals including orange peel, catechu, quassia bark, cardamom, and mallow flowers. It is 62 proof, and smells and tastes of pine, coffee bean and citrus. It is fairly bitter, with a long, intricate finish.