3 pieces cubed Watermelon 3 pieces cubed Cucumber ½ part Lime juice 1½ parts Light rum ¼ part Simple syrup 3 parts Sparkling white wine
Muddle the cucumber and watermelon at the bottom of a tall glass. Add the lime juice.
Fill the glass with ice, add rum and simple syrup, and top with sparkling wine.
Stir very gently, without disturbing the fruit. Garnish with fresh basil and a wedge of watermelon.