12 mint leaves
4 tsp (18 mL) lime juice
4 tsp (18 mL) granulated sugar
Ice cubes
2 oz (57 g) club soda
1-1/2 oz (43 g) white or amber rum
Mint sprigs

In tall glass, muddle (mash) mint leaves with lime juice. Add sugar; stir until dissolved. Fill half full with ice. Add soda and rum; stir to combine. Garnish with mint sprig.