Directions

1. In a cocktail shaker, muddle the mint leaves with the lime juice and syrup.

2. Fill the cocktail shaker halfway with ice and add the limoncello and rum.
3. Shake until completely cold.
4. Fill an ice-filled hurricane or highball glass halfway with ice, then strain in the liquid.

5. Fill the glass halfway with soda water.

6. Garnish with extra mint leaves if desired.