Congo Squares
["2 3/4 c. flour", "2 1/2 tsp. baking powder", "1/2 tsp. salt", "2/3 c. margarine", "1 lb. light brown sugar", "3 eggs", "1 c. chopped nuts", "1 (12 oz.) pkg. chocolate chips"]
["Sift together flour, salt and baking powder; set aside.", "Melt margarine and add to brown sugar.", "Mix well and let cool slightly. Add eggs, one at a time, beating well after each.", "Add dry ingredients and mix well.", "Stir in nuts and chocolate chips.", "Bake in large 15 1/2 x 10 1/2 x 3/4-inch greased jelly roll pan.", "Bake at 350\u00b0 for 20 to 25 minutes."]
["flour", "baking powder", "salt", "margarine", "light brown sugar", "eggs", "nuts", "chocolate chips"]