pkg. chocolate cake mix with pudding
1/3 c. butter
2 (8 oz.) pkg. cream cheese
1/2 c. sugar
2 eggs

TOP:

2 tbsp. butter
2 oz. semi-sweet chocolate
2 tbsp. corn syrup

Preheat oven to 350 degrees. Prepare cake mix according to package directions substituting 1/3 cup butter for oil. Reserve 1 cup of batter. Pour remaining batter into tube pan.

Combine cream cheese and sugar, mixing at medium speed on electric mixer until well blended. Blend in eggs, one at a time. Pour over batter in pan. Spoon reserved 1 cup batter oven cream cheese mixture. Bake 1 hour or until toothpick inserted near center comes out clean. Cool 30 minutes. Remove cake onto wire rack.

Topping: Combine butter, chocolate and corn syrup in small pan. Cook over low heat until chocolate in melted. Pour over cooled cake.