Congo Squares
["2/3 c. margarine (don't use light)", "2 1/4 c. brown sugar", "3 eggs", "1/2 tsp. salt", "2 1/2 tsp. baking powder", "2 2/3 c. sifted flour", "1 (6 oz.) pkg. chocolate chips"]
["Preheat oven to 350\u00b0.", "Melt margarine and stir in brown sugar. Cool.", "Add eggs to sugar mixture.", "Beat.", "Add salt, baking powder and flour.", "Mix well.", "Spread in a greased 15 x 10 x 1-inch pan. Sprinkle chocolate chips over top.", "Put in a 350\u00b0 oven for 1 minute.", "Remove from oven and swirl chips with knife.", "Return to oven and bake 20 minutes."]
["margarine", "brown sugar", "eggs", "salt", "baking powder", "flour", "chocolate chips"]