Sweet Lime-Ginger Rum Punch

• MAKE-AHEAD

Ingredients

1. 2/3 cup water
2. 1/2 cup sugar
3. 2 tablespoons minced fresh ginger
4. 3/4 cup fresh lime juice
5. 2 cups dark rum
6. 2 cups ice, plus more for serving
7. Lime slices and cilantro leaves, for garnish

1. In a small saucepan, bring the water, sugar and ginger to a boil. Simmer over moderate heat for 5 minutes. Strain the syrup into a large pitcher, pressing hard on the ginger. Let cool to room temperature.
2. Stir in the lime juice, rum and the 2 cups of ice. Strain into ice-filled glasses and garnish with lime slices and cilantro.