1 chocolate cake mix
1 tbsp. oil
4 eggs
1 1/2 c. milk
1/2 c. sugar
1 tsp. vanilla
2 (8 oz.) cream cheese
2 c. whipped topping

Reserve 1 cup cake mix. Combine cake mix, oil and 1 egg. Mixture will be crumbly. Pat into greased 9 x 13 inch pan. Combine cheese and sugar. Add reserved cake mix, 3 eggs, beat 1 minute. Add milk, vanilla; beat until smooth. Pour into crust. Cook 1 hour at 300 degrees. Cool - top with whipped topping and shaved Hershey bar.