Ingredients
1/2 cup butter, softened2/3 cup sugar1/2 cup packed brown sugar2 large eggs2 tablespoons milk3/4 cup all-purpose flour1/2 teaspoon baking powder1/4 teaspoon salt1/4 cup creamy peanut butter1/3 cup peanut butter chips1/3 cup baking cocoa1/2 cup semisweet chocolate chips
Preparation
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.
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.
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.
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.
