Congo Bars
["2 3/4 c. sifted plain flour", "2 1/2 tsp. baking powder", "1/2 tsp. salt", "2/3 c. butter (1 stick plus a little more)", "1 box light brown sugar", "3 eggs", "1 tsp. vanilla", "1 c. chopped pecans", "1 (6 oz.) pkg. chocolate chips"]
["Slice butter in thin slices in bowl.", "Add brown sugar and cream well.", "Add eggs, one at a time, and beat.", "Add flour, salt and baking powder; beat.", "Add flavoring and beat.", "Stir in by hand the nuts and chocolate chips.", "Grease large pan or 2 square cake pans.", "Bake at 350\u00b0 for 25 to 30 minutes.", "Cool in pan for 5 to 10 minutes.", "Cut into bars.", "Remove to wire rack or a storage container."]
["flour", "baking powder", "salt", "butter", "light brown sugar", "eggs", "vanilla", "pecans", "chocolate chips"]