Peanut Butter Swirl Bars
["1/2 c. crunchy-style peanut butter", "1/3 c. softened butter", "3/4 c. firmly packed brown sugar", "3/4 c. white sugar", "1 (12 oz.) pkg. semi-sweet Nestles chocolate", "2 eggs", "2 tsp. vanilla", "1 c. flour", "1 tsp. baking powder", "1/4 tsp. salt"]
["Preheat oven to 350\u00b0.", "In a large bowl, combine peanut butter, softened butter, brown sugar and white sugar.", "Beat until creamy. Gradually beat in eggs and vanilla.", "In a small bowl, combine flour, baking powder and salt.", "Blend into peanut butter mixture. Spread into greased 12 x 9 x 2-inch baking pan.", "Sprinkle 1 (12 ounce) package semi-sweet Nestles chocolate over surface.", "Place in 350\u00b0 oven for 5 minutes.", "Remove from oven; run knife through to marbleize.", "Return to oven.", "Bake at 350\u00b0 for 30 minutes.", "Cool; cut into 2 x 1-inch bars.", "Makes 4 dozen."]
["crunchy-style peanut butter", "butter", "brown sugar", "white sugar", "semi-sweet Nestles chocolate", "eggs", "vanilla", "flour", "baking powder", "salt"]