Chocolate Chip Squares
["2/3 c. butter", "1 1/3 c. flour", "1/2 c. milk", "2/3 c. granulated sugar", "2 tsp. baking powder", "2 egg whites", "2 Tbsp. granulated sugar", "1 (6 oz.) pkg. chocolate chips"]
["Cream the butter and sugar well.", "Sift dry ingredients together and add to creamed mixture alternately with milk.", "Beat the egg whites until stiff, adding 2 tablespoons of sugar and chocolate chips.", "Combine all ingredients together.", "Spread in a pan, 9 x 9-inch, and bake at 350\u00b0 for 25 minutes.", "Let it cool off before icing, if desired."]
["butter", "flour", "milk", "granulated sugar", "baking powder", "egg whites", "sugar", "chocolate chips"]