Recipe courtesy Philip Greene, author of To Have and Have Another: A Hemingway Cocktail Companion
Published: February 10, 2015
Add all ingredients except seltzer water to a cocktail shaker filled with ice, and shake vigorously. Strain into a chilled highball glass filled with ice. Add two ounces seltzer water to shaker, swirl it around the ice, and then strain seltzer into glass, topping off the cocktail.