Toppings (optional): Pineapple or watermelon slices
In a bowl, whisk together mix and hot water. Stir until mix is dissolved.
Add to a blender with watermelon, pineapple, and rum. Blend until smooth. If needed, add a little water, 1 tbsp at a time, until desired thickness is reached.
Pour into chilled glasses. Garnish, if desired, and serve.
Per serving (about 200 ml): Calories 130, Fat 2.5 g (Saturated 2 g, Trans 0 g), Cholesterol 0 mg, Sodium 65 mg, Carbohydrate 20 g (Fiber 2 g, Sugars 12 g), Protein 1 g.
Find frozen watermelon chunks in the freezer section of the grocery store. Or, with the abundance of fresh watermelon during the summertime, simply freeze your own! Place cubed watermelon on Sheet Pan, freeze, then place in freezer-safe containers.