Hungarian Kossuth Cake
["2 c. flour", "2 tsp. baking powder", "1/2 lb. butter or margarine", "6 eggs, separated (whites beaten stiff)", "1 c. sugar"]
["Cream sugar and shortening until smooth.", "Add egg yolks, 2 at a time.", "Add flour and baking powder.", "Beat egg whites stiff. Fold into mix until blended.", "Pour into lightly greased and floured 13 x 9-inch pan.", "Bake at 350\u00b0 for 25 to 30 minutes until spongy.", "Do not overbake."]
["flour", "baking powder", "butter", "eggs", "sugar"]