1 Betty Crocker German chocolate cake mix
1 (3 3/4 oz.) pkg. chocolate instant pudding mix
2 c. sour cream
4 eggs
3/4 c. cooking oil
1/3 c. Kahlua
1 (6 oz.) pkg. semi-sweet chocolate pieces

Combine all ingredients, then stir in chocolate pieces. Bake in a greased Bundt pan at 350 degrees for 1 hour.