- 1 3/4 cups white rum
- One 10-ounce can frozen kalamansi or orange juice concentrate, thawed
- 20 kumquats (1/2 pound), halved lengthwise
- 1 quart club soda
- 1 cup mint leaves
- 1 large lime, cut into 10 thin wedges
- In a large pitcher, combine the halved kumquats and mint leaves. Using a large wooden spoon, vigorously muddle the mixture. Pour in the juice concentrate, rum and club soda and squeeze in the lime wedges. Fill the pitcher with ice and serve.