Instructions
- Fill a Collins glass with ice.
- In a shaker, combine 2 ounces of gin, 1 ounce of fresh grapefruit juice, and 0.5 ounces of simple syrup.
- Shake well until chilled.
- Strain the mixture into the prepared Collins glass over fresh ice.
- Top with soda water to fill the glass.
- Garnish with a slice of grapefruit and a sprig of mint.