Brownies
["1/3 c. butter or margarine", "1 c. sugar", "1/3 c. cocoa", "1/2 c. flour", "1 tsp. baking powder", "1 tsp. vanilla", "1/3 c. peanut butter", "2 eggs"]
["Melt", "butter in saucepan.", "Remove from heat and stir in sugar, cocoa, flour, baking powder, vanilla and peanut butter. Add eggs and beat thoroughly.", "Spread", "in", "lightly greased pan (9 x 9 x 2-inch).", "Bake in moderate oven", "(350\u00b0)", "for", "30 minutes.", "Makes 18 bars or 9 squares."]
["butter", "sugar", "cocoa", "flour", "baking powder", "vanilla", "peanut butter", "eggs"]