Peanut Butter Bars
["1/2 c. margarine", "1/2 c. sugar", "1/2 c. brown sugar", "1 egg", "1/3 c. peanut butter", "1/2 tsp. soda", "1/2 tsp. vanilla", "1/4 tsp. salt", "1 c. flour", "1 c. quick cooking oats", "6 oz. chocolate chips"]
["Cream together margarine, sugar and brown sugar.", "Blend in egg, peanut butter, soda, vanilla and salt.", "Stir in flour and oats.", "Put in 9 x 13-inch greased pan.", "Sprinkle with chocolate chips.", "Bake at 350\u00b0 for 20 minutes.", "Cool.", "Lightly dust with powdered sugar."]
["margarine", "sugar", "brown sugar", "egg", "peanut butter", "soda", "vanilla", "salt", "flour", "cooking oats", "chocolate chips"]