1 box fudge marble cake mix
2 lbs. Ricotta cheese
3/4 c. sugar
4 eggs
1 tsp. vanilla
1 (3 3/4 oz.) box instant chocolate pudding
1 c. milk
1 (8 oz.) carton whipped topping

Mix cake as directed on box. Pour into greased and floured 9 x 13 inch pan. In separate bowl, combine Ricotta, sugar, eggs and vanilla. mix well. Spoon over top of unbaked cake. Bake at 350 degrees for 1 hour. Cool. Mix pudding with milk. Fold in whipped topping. Spread over cake; refrigerate.