Peanut Butter Brownies
["1/2 c. peanut butter", "1/2 c. margarine", "1 1/2 c. sugar", "3 eggs", "1 tsp. vanilla", "1 c. flour", "1/2 tsp. baking powder", "1/2 tsp. salt", "3/4 c. chocolate chips"]
["Cream first 3 ingredients, then add beaten eggs and vanilla. Mix dry ingredients and add to batter.", "Stir in chocolate chips. Bake at 350\u00b0 for 30 to 35 minutes."]
["peanut butter", "margarine", "sugar", "eggs", "vanilla", "flour", "baking powder", "salt", "chocolate chips"]