STIR honey with gin in base of shaker to dissolve honey. Add grapefruit juice, SHAKE with ice and strain into ice-filled glass. TOP with soda water.
A dry, tart blend of grapefruit and gin.
Adapted from a recipe in the 1949 edition of Esquire's Handbook for Hosts.
For the full story behind the origins of the Collins and its many variations see our Collins page.