- 2 cups ice cubes
- 1/2 cup white sugar, or to taste
- 1 watermelon, cut into cubes and seeded
- 2 spearmint leaves, or more to taste
- Blend ice and sugar together in a blender until slushy, 1 to 2 minutes. Add watermelon and blend until smooth; pour into glasses and garnish with spearmint leaves.