Watermelon Ice Cubes

INGREDIENTS:

• 1 small watermelon, cubed
• 1/2 c. packed mint leaves, plus more for garnish
• 1 tbsp. granulated sugar
• 1/2 c. lime juice
• 1 (12-oz.) can seltzer
• Lime slices, for garnish

DIRECTIONS:

1. Place watermelon cubes on a small baking sheet and freeze until completely frozen, at least 1 hour.
2. In 4 glasses, divide mint, sugar, and lime juice. Using the bottom of a wooden spoon, muddle mint.
3. Add frozen watermelon as ice cubes, then top off with seltzer.
4. Garnish with lime wedges and mint to serve.