Try this homemade Watermelon Lemonade Cocktail recipe the whole family will love. Made with seedless watermelon, light rum, freshly squeezed lemon juice…
This Watermelon Lemonade Cocktail relies on simple, everyday ingredients such as light rum, granulated sugar, ice and blackberries, for garnish. It comes together quickly and makes 4 servings, at about 46 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026