Guava Liquer:. Ingredients: 20 Firm guavas 8 Cups water 1/4Cup fresh limejuice 2 cups White rum Sugar to taste Direction: Wash and cut guavas. Put water, lime juice and guavas to boil in a saucepan and boil until all the flavour is extracted from guava. Strain the mixture and sweeten to taste. Return guava liquid to saucepan and boil until it begins to thicken. Allow mixture to cool, then add rum and bottle. Let stand for about one week before serving on cracked ice and a little grated nutmeg.