Fill a rocks glass to the top with crushed ice
Place the pulp of a watermelon wedge into a shaker and muddle
Pour in 0.5 oz of lemon juice, 0.35 oz of sugar syrup and 1.5 oz of vodka
Fill the shaker with ice cubes and shake
Finely strain into the rocks glass
Top up with Sprite and stir gently
Top up with crushed ice
Garnish with a piece of watermelon on a cocktail skewer and a mint sprig