Makes 2 cocktails:
6 tablespoons fresh lime juice, or about 3 limes
2 tablespoons superfine sugar
4 sprigs fresh mint
Seltzer
3 ounces white rum
In a small pitcher, combine lime juice, superfine sugar, and 2 sprigs mint; stir until sugar has dissolved. Add rum, and stir to combine. Fill 2 tall cocktail glasses with crushed ice. Strain cocktail into the 2 glasses; top with seltzer. Garnish each cocktail with another mint sprig and lime wedge.
Enjoy and drink safely!