Preheat oven to 350 degrees. Grease and flour sheet cake pan. In large cake pan ... chocolate. Add remaining bar ingredients, mix well. Spread in ... pour over marshmallow mixture.
Beat pudding mix with milk and sour cream. Cut cake into 1/2 inch slices. Place ... with 1/2 of fudge topping. Sprinkle with 1/2 of ... brickle. Chill before serving.