Espumillas are a a popular street food in Ecuador, this dessert is a meringue cream made with fruit pulp, typically guava or guayaba, egg whites and sugar.Ingredients8 ripe guavas or guayabas ??? if you can???t find fresh guavas you can get them frozen in Latin grocery stores and defrost them 1 - 1 ?? cups sugar, adjust based on your preference, you can start with 1 cup and then taste and add more