I Love Cocktails

25 July 1952: Puerto Rico becomes a commonwealth.

San Juan
1½ oz. (3 Tbsp.) light rum
1 oz. (2 Tbsp.) grapefruit juice
1 tsp. coconut milk
2 tsp. fresh lime juice
½ cup crushed ice
2 tsp. brandy

Blend ingredients, except brandy, in a blender until smooth. Pour into a tumbler or wineglass. Float brandy on top.