1/4 C. cocoa
2 T. powdered sugar
2 T. butter, softened
2 T. hot water
1 C. Reese's Peanut Butter Chips
1 T. shortening
1 pkg. (18 oz.) white cake mix (pudding in the mix type)
1/2 C. light brown sugar
1 1/4 C. water
3 eggs
Combine cocoa, powdered sugar, butter and 2 T. hot water in a small bowl until smooth; set aside. Melt peanut butter chips and shortening in top of double boiler over hot (not boiling) water; set aside. Combine dry cake mix, brown sugar, 1 1/4 C. water the eggs, and melted peanut butter mixture in a large mixer bowl. Beat on low speed till moistened. Beat 2 minutes on medium till smooth. Add 1 1/2 C. batter to reserved cocoa mixture and blend well. Pour remaining batter into a greased and floured 13 x 9 inch pan; spoon dollops of chocolate batter on top. Swirl with knife for marbleled effect. Bake at 350' for 40-45 minutes or till tester comes out clean. Cool and frost as desired.
