Originally crafted with a 2:1:1 ratio of gin, orgeat and lemon juice, the sour cocktail evolved over time to add bitters to the mix. Some modern recipes, including ours, modify the 2:1:1 ratio.

Some historians tie the drink’s origins, based on name alone, to the Army and Navy Club, a private, members-only club in Washington, D.C., supposedly the same place the Daiquiri had its U.S ...