CINNAMON FLATS 2 cups butter 2 cups sugar (scant) 4 cups flour 2 tbsp. cinnamon 2 egg yolks cream butter and sugar. Add flour, cinnamon and egg yolks. When blended, press lightly into two jelly roll pans about 1/4" thick. Topping: 2 egg whites, beaten 1 cup sugar 1 tbsp. cinnamon 1 cup chopped pecans Beat egg whites slightly and brush over the surface of dough. Mix sugar and cinnamon and sprinkle over egg whites. Sprinkle chopped pecans over, pressing in lightly. Bake at 350 for 20 to 25 minutes. Cut into squares while hot and cool in the pan.