Peanut Butter Brownies
["1 1/4 c. white sugar", "1 1/4 c. brown sugar", "1 1/4 sticks margarine", "3 eggs", "3/4 c. peanut butter (crunchy)", "2 1/2 c. plain flour", "1/2 tsp. baking powder", "1/2 tsp. salt", "1 1/2 tsp. vanilla"]
["Mix by hand.", "Pat into a 9 x 12-inch pan and 1 smaller pan, 8 x 8-inch.", "Bake at 275\u00b0 for 25 minutes."]
["white sugar", "brown sugar", "margarine", "eggs", "peanut butter", "flour", "baking powder", "salt", "vanilla"]