- 1 grapefruit wedge
- Kosher salt
- One 1-inch piece of rosemary sprig, plus 1 sprig for garnish
- 1/2 teaspoon sugar
- 2 ounces fresh red grapefruit juice
- 1 1/2 ounces gin
- Moisten the outer rim of a martini glass with the grapefruit wedge and coat lightly with salt. In a cocktail shaker, muddle the 1-inch rosemary sprig with the sugar. Add the grapefruit juice, gin and ice and shake vigorously. Strain into the martini glass and garnish with the rosemary sprig.