2 oz light rum 1 oz lime juice (preferably a whole lime) 2 teaspoons sugar Mint Soda Water
Take sugar and a large pinch of mint. Put in pint glass with a splash of soda water. Use muddler to press mint gently and dissolve sugar until it smells like spearmint. Squeeze both halves of lime into mixture, leaving one hull inside glass. Add rum. mix, add ice and top with soda water. Garnish with a mint sprig.