Chocolate Chip Cookie Bars
["2/3 c. margarine or shortening", "1 box dark brown sugar", "3 eggs (large)", "2 3/4 c. flour", "2 1/2 tsp. baking powder", "1/2 tsp. salt", "12 oz. pkg. chocolate chips"]
["Melt the margarine in a pan on top of stove.", "Set aside.", "In mixing bowl, crumble brown sugar and beat in melted margarine. Add eggs, one at a time and beat mixture after each addition. Combine flour, baking powder and salt.", "Add this gradually to sugar and eggs.", "Mix well.", "Add chocolate chips.", "Mix again. Spread into a greased 9 1/2 x 13 1/2 x 2-inch baking dish.", "Bake at 325\u00b0 for 30 minutes.", "Do not overbake.", "Cool and cut into bars."]
["margarine", "brown sugar", "eggs", "flour", "baking powder", "salt", "chocolate chips"]