Chocolate Triangle Cake

Ingredients 4 eggs, separated 3/4 cup sugar, divided 1 teaspoon vanilla extract 3/4 cup all-purpose flour 3/4 teaspoon baking powder 1/4 teaspoon salt Satiny Chocolate Frosting Crystallized violets (optional) Directions Grease two 15- x 10- x 1-inch jellyroll pans, and line with waxed paper; grease and flour waxed paper. Set aside. Beat egg yolks at