1 box Swiss chocolate cake mix
1 small box instant vanilla pudding
1 1/2 c. milk
3 eggs
3/4 c. oil

Mix all ingredients and bake in three 9-inch layer cake pans at 325°F for 20 to 25 minutes.

Frosting:

1 (8 oz.) cream cheese, softened
1 c. powdered sugar
1/2 c. granulated sugar
12 oz. Cool Whip
1/2 c. chopped nuts ("optional")
1 1/2 chopped Hershey bars ("optional")

Mix sugars and cream cheese until smooth. Add remaining ingredients and mix well.