1 box, Devil's Food cake mix
1-1/3 cups water
1/2 cup vegetable oil
2 cups sugar
1/2 cup milk
1-1/3 cups smooth peanut butter
1 jar (7 oz.) marshmallow crème
1 stick (1/2 cup) butter
1/4 cup Hershey’s cocoa
1/3 cup milk
1 lb. confectioners’ sugar
1/4 tsp. vanilla
Grease and flour a 15 X 11-inch jellyroll pan.
Preheat oven to 350º.
First layer: Prepare cake as directed on box, using water, oil, and eggs for the ingredients. Pour mixture into pan.
Bake 20-22 minutes or until toothpick inserted comes out clean. Cool completely,
Second layer: In a saucepan, bring sugar and milk to a boil. Boil 3 minutes.
Add peanut butter and marshmallow crème; mix well. Quickly pour on top of cooled cake. Spread evenly. Cool completely.
Third layer: In a medium saucepan, melt butter, cocoa and milk together. Bring to a boil. Remove from heat and add confectioners’ sugar and vanilla. Stir completely. Pour icing on top of cooled peanut butter layer.
Cool completely before cutting.