- 1/2 lime, quartered
- half moon, thin slice of grapefruit
- 8-10 mint leaves
- 1 tablespoon sugar
- 2 ounces white rum
- 1 ounce freshly squeezed grapefruit juice
- 1 teaspoon freshly squeezed lime juice
- 2 ounces soda water
- ice cubes
- Combine the lime quarters, grapefruit slice, mint leaves, and sugar in a cocktail glass. Muddle.
- Add the rum, grapefruit and lime juice, and stir together until sugar has dissolved. Finish with club soda and one or two large ice cubes.