The Brown Diamond seems like it should be a vintage 1800’s recipe, with its classic, simple ingredient list: just rum, sherry, and ginger beer. In fact, it’s a more recent creation, from Florida restaurant owner Jenneffer Pulapaka.
Pulapaka uses Old Monk rum, a dark rum made in India and noted for its rich vanilla flavors. She also calls for Pedro Ximénez sherry, one of the richest and sweetest styles of sherry. This is a robust recipe, though, and will be delicious with any dark rum and sweet sherry combination you have at hand.