Instructions
- Cut the watermelon into cubes and blend until smooth to create watermelon juice.
- In a shaker, combine 2 oz of rum and 1 oz of fresh watermelon juice.
- Add 0.5 oz of lime juice for a citrusy kick.
- Include 0.5 oz of simple syrup if you prefer it sweeter.
- Fill the shaker with ice and shake vigorously for about 15 seconds.
- Strain the mixture into a highball glass filled with ice.
- Top with club soda to add some fizz.
- Garnish with a mint sprig and a watermelon slice.