Ingredients: 4 egg yolks 4 egg whites 2/3 cup confectioner’s sugar 2/3 cup all-purpose flour 1/2 tsp salt 1/2 tsp vanilla Procedure Preheat oven to 300°F. In a bowl, beat egg yolks until light in color and very thick. Set aside. In a separate bowl, beat egg whites until soft peaks form. Add sugar gradually