1 (18.25 ounce) package chocolate cake mix
2 pints part-skim ricotta cheese
3/4 cup white sugar
1 teaspoon vanilla extract
1 (3.9 ounce) package instant chocolate pudding mix
1 cup milk
1 (12 ounce) container frozen whipped topping, thawed
Prepare cake mix as directed on box. Pour batter into 9 x 13 x 2 inch greased baking dish. Set aside.
Combine ricotta cheese, sugar, vanilla, and eggs. Blend well. Spread mixture evenly over the top of the cake batter.
Bake at 350° F for 75 minutes if using a glass baking dish, 90 minutes if using a metal pan.
Blend pudding mix and milk until thickened. Blend in whipped topping. Spread over cooled cake.