Peanut Butter Bars
["2/3 c. butter, melted", "3/4 c. peanut butter", "1/2 c. brown sugar", "1 1/2 c. sugar", "3 eggs", "2 c. flour", "1 1/2 tsp. baking powder", "1 tsp. vanilla"]
["Mix all together.", "Pat out dough on a cookie sheet.", "Bake at 325\u00b0 for 20 to 25 minutes."]
["butter", "peanut butter", "brown sugar", "sugar", "eggs", "flour", "baking powder", "vanilla"]