Irma’s signature gin cocktail, a Prohibition-era staple, has been in the book since 1931, where it appeared on the opening page. Called simply “gin cocktail,” it was a solid formula for polishing the rough edges off of illicit bathtub spirits. We think it’s even better with decent gin.
Fill a cocktail shaker with ice cubes. Add:
Shake until well chilled, about 12 seconds. Strain into a chilled rocks glass.