fee brothers cardamom boker's style cocktail bitters - 5 oz fee brothers fee brothers cardamom bitters help create amazing whiskey, vodka, gin and rum cocktails with a lemony and floral edge. and it's particularly relevant in the kitchen for curry-inspired chicken, pork and beef marinades, baked goods, bread pudding and other custards. bitters are the spice rack of your bar so add a dash of flavor to your cocktail creations! the fee brothers of rochester n.y. are a fourth generation company that has been producing bitters varieties since 1864 and are the perfect choice for classic craft cocktails. 5 oz. bottle.