1 pkg. Pillsbury Plus fudge marble cake mix
1 c. dairy sour cream
1/2 c. creamy peanut butter
1/4 c. water
3 eggs
1/2 c. chopped nuts

FROSTING:

1 can Pillsbury Ready to Spread frosting chocolate fudge supreme
2 tbsp. creamy peanut butter
1 tbsp. chopped nuts

Preheat oven to 350 degrees. Grease and flour two 8- or 9-inch round cake pans. In large bowl, blend cake mix (reserve marble pouch), sour cream, 1/2 cup peanut butter, water and eggs until moistened. Beat 2 minutes at highest speed. Fold in 1/2 cup chopped peanuts. Pour 3/4 of the batter into prepared pans. To the remaining batter add marble pouch and 2 tablespoons water; blend well.

Spoon randomly over yellow batter. Swirl with spoon in a folding motion, turning pan while folding. Bake at 350 degrees for 35 to 45 minutes or until toothpick inserted in center comes out clean. Cool in pans 15 minutes; then remove. Cool completely.