Peanut Butter Swirl Brownies *

 2/3 cup sugar

1/2 cup packed brown sugar

1/2 cup butter, softened

2 Tbsp milk

2 eggs

3/4 cup all purpose flour

1/2 tsp baking powder

1/4 tsp salt

1/4 cup peanut butter

1/3 cup peanut butter chips

1/3 cup baking cocoa

1/3 cup semisweet chocolate chips

Heat oven to 350.  Grease 9x9 pan.  Mix sugars, butter, milk and eggs in medium bowl. Stir in flour, baking powder and salt.  Divide batter in half.  Stir peanut butter and peanut butter chips into 1 half.  Stir cocoa and chocolate chips into remaining half.  Spoon chocolate batter into pan in 8 mounds, checkerboard style.  Spoon peanut butter batter between mounds of chocolate batter.  Gently swirl through batters with knife for marbled design.  Bake 30-35 minutes or until toothpick inserted in center comes out clean.