1 box fudge marble cake mix
2 lb. ricotta cheese
3/4 c. sugar
4 eggs
1 tsp. vanilla
1 box instant chocolate pudding
1 c. milk
8 oz. Cool Whip

Mix cake as directed on box. Place in a 13 x 9 inch pan. In a separate bowl, mix well the ricotta cheese, sugar, eggs and vanilla. Spoon cheese mixture on top of unbaked cake mix. Bake at 350 degrees for 1 hour.