Ingredients
1/2 tablespoon finely grated lime zest, plus 1 1/2 cups fresh lime juice (from 9 limes)
1 1/2 cups water
1 1/2 cups sugar
1 cup chopped fresh mint
1/4 cup light rum
Mint sprigs, for garnish
Preparation
Puree lime zest and juice, water, sugar, and mint in a blender. Strain mixture through a fine sieve into a bowl; discard solids. Stir in rum. Divide among twelve 3-ounce paper cups. Freeze on a rimmed baking sheet for at least 5 hours. Garnish with mint sprigs.
