Grape Mousse

1 packet gelatin white powder ( unflavored ) , 1 1/2 cup of grape juice , 3 tablespoons cornflour , 1 cup heavy cream , 3 egg whites , 9 tablespoons of sugar. Syrup: 1 cup grape juice , 1 tablespoon sugar , 1 level tablespoon of cornflour .

Allow the gelatin to soak in a cup of cold water and set aside. Heat the grape juice with the cornflour , stirring constantly until thickened , and remove from heat when you add the gelatin, mixing well . Add the cream , stir and set aside. Beat the egg whites and add sugar , beating until the point of breath. Add the reserved mixture , stirring gently without knocking and put in a mean way greased with margarine . Refrigerate for at least 4 hours. To prepare the syrup : bring all ingredients to simmer , stirring constantly until thickened . Serve after cold , with mousse.