Peanut Butter Swirl Brownies

Directions

1. In a large bowl, cream butter and sugars. Add eggs and milk; mix well. Combine the flour, baking powder and salt; add to creamed mixture and mix well.
2. Divide batter in half. To one portion, add peanut butter and peanut butter chips; mix well. To the other portion, add the cocoa and chocolate chips; mix well.
3. In a greased 9-in. square baking pan, spoon chocolate batter in eight mounds in a checkerboard pattern. Spoon seven mounds of peanut butter batter between the chocolate batter. Cut through batters with a knife to swirl.
4. Bake at 350° for 25-30 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack. Cut into bars.