Watermelon Strawberry Mango Lemonade Smoothie Recipe 8 cups cubed seeded watermelon 2 cups water 1 cup strawberries 1 cup chopped mango 1 cup white sugar 1/2 cup lemon juice Blend watermelon, water, strawberries, mango, sugar, and lemon juice in a blender until smooth, about 5 minutes. Recipe of the Day|