Peanut Butter Chocolate Swirl Brownies

• margarine, softened↗1⁄2 cup
• sugar↗1⁄2 cup
• brown sugar↗1⁄2 cup
• egg whites↗2
• skim milk↗2 tablespoons
• flour↗3⁄4 cup
• reduced-fat peanut butter↗1⁄4 cup
• peanut butter chips↗1⁄3 cup
• cocoa↗1⁄3 cup
• semi-sweet chocolate chips↗1⁄2 cup

Step-by-step instructions

1. 1

   Cream butter and sugars.

2. 2

   Add eggs and milk and mix.

3. 3

   Combine flour, powder and add to creamed mixture and mix.

4. 4

   Divide batter in half.

5. 5

   To one half add peanut butter and peanut butter chips and mix

6. 6

   To the other half add cocoa and chocolate chips and mix.

7. 7

   In a greased 9x9 in baking pan, spoon chocolate batter in eight mounds to form a checkerboard pattern.

8. 8

   Spoon seven mounds of peanut butter batter between them.

9. 9

   Cut through batter with a knife to marblize.

10. 10

    Bake at 350 for 25-30 minutes and cool.