Ingredients:
- Fresh grapefruit juice
- Fresh mint leaves
- White rum
- Lime juice
- Simple syrup
- Club soda
Instructions:
- Cut the fresh grapefruit in half and juice it using a manual or electric juicer.
- In a shaker, combine the fresh mint leaves, white rum, lime juice, and simple syrup. Muddle the ingredients together until well combined.
- Fill a highball glass with ice cubes and pour the mixture from the shaker over the ice.
- Top the glass off with club soda and stir gently to combine.
- Garnish with a fresh mint leaf and serve immediately.