1 yellow or chocolate cake mix
1 lg. instant chocolate pudding (dry)
4 eggs
1/2 c. cooking oil
16 oz. sour cream

Beat all together well.

1 lg. pkg. chocolate chips

Pour into well greased bundt or angel food pan. Bake at 350 degrees for 45 mintues to 1 hour; 1 to 1 1/2 hours in angel food pan. Test with toothpick. Put the cake upside down for an additional hour before unmolding. Sprinkle with powdered sugar.