Crust: 2 cups flour ½ cup sugar (optional) ½ tsp. baking powder ½ tsp. salt 1 cup butter Filling: 4 cups pared, cored and sliced apples (1/8 inch thick) ½ cup sugar ¼ cup flour 1 tsp. cinnamon ¼ tsp. nutmeg 2 egg whites, slightly beaten

Combine flour, sugar, baking powder and salt; Cut in butter as for pie crust. Mix in egg yolks (mixture will be a crumbly). Press half of the mixture into bottom of 15 in x 10 in jelly roll pan (may also use 13 in x 2 in pan.) set remaining half of the mixture aside. Combine all of filling ingredients except egg whites; arrange over bottom crust. Crumble remaining crust mixture over filling. Brush egg whites over all. Bake at 350 for 30 minutes (jelly roll pan) or 40 minutes (13 in x 9 in x 2 in pan). Coll. Drizzle with thin confectioners sugar glaze, if desired. Yield: 3-4 dozen bars.