- Place chopped watermelon in a blender jar and purée. Sieve it well. Set aside.In a bowl or a jar, muddle together lemon wedges, mint leaves, and sugar such that mint leaves are bit bruised.
- Using 4 glasses, add ice cubes, mint-lime mixture, watermelon purée, and sprite. Mix them very well.Garnish with mint, lime slice, and watermelon slice.