Boker's bitters

Boker's bitters is a specific brand of bitters that was popular in the 1800's, and often specifically referred to in recipes of the day. Little is known about the exact makeup of this product, and it is only through discovered samples that modern attempts have been made to re-create the recipe.

The following recipes on this site use Boker's bitters:

Martini (circa. 1888)
Old Tom gin, sweet vermouth, simple syrup, Boker's bitters, orange curaçao,