Have a bunch of watermelon and mason jars laying around? The Watermelon Rum Soda recipe makes for the perfect afternoon cocktail, as well as a snack! Fill up mason jars with fresh watermelon chunks and pour the mixture of rum, watermelon Schnapps, lemon juice, and club soda over. Drink and eat up!
Pour the ingredients into a shaker and gently mix, then pour into a glass filled with ice, or chunks of watermelon. Garnish with a watermelon, a lime, or both.