1/2 teaspoon confectioners' sugar
1/2 lime, juiced
1 sprig fresh mint, crushed
1/2 cup crushed ice
2 fluid ounces white rum
4 fluid ounces carbonated water
1 sprig fresh mint, garnish
In a highball glass, stir together the confectioners' sugar and lime juice.
Bruise the mint leaves and drop into glass.
Fill glass with crushed ice and pour in rum.
Pour in carbonated water to fill the glass. Garnish with a sprig of mint.