1 pkg. dark chocolate cake mix
1 (4 1/2 oz.) pkg. instant chocolate pudding mix
1 c. sour cream
1/2 c. oil
4 eggs
1/2 c. water
1 (6 or 12 oz.) pkg. chocolate chips

Mix all ingredients together, except chips, in mixer bowl for 4 minutes. Stir in chips. Pour evenly into greased 12 cup bundt pan. Bake at 350 degrees for 50 to 60 minutes. Let cool in pan. Turn cake onto serving dish and dust with powdered sugar, if desired.