 Jamaica and other aguas frescas are commonly found in taquerias, or other Mexican restaurants.It is usually prepared by steeping the calyces, along with ginger (in Jamaica), in boiling water, straining the mixture, pressing the calyces (to squeeze all the juice out), adding sugar, sometimes clove, cinnamon and a little white rum (in Jamaica), and stirring.It is served chilled, and in Jamaica this drink is a tradition at Christmas, served with fruit cake or potato pudding.