Fill a sling glass to the top with ice cubes
Place a slice of a ginger root and the pulp of a watermelon wedge into a shaker and muddle
Pour in 0.75 oz of tangerine syrup, 0.5 oz of limoncello and 1.5 oz of silver tequila
Add 6 peppercorns
Fill the shaker with ice cubes and shake
Finely strain into the sling glass
Top up with ginger beer and stir gently
Garnish with a piece of watermelon