6 oz. pkg. semi-sweet chocolate chips
1 pkg. chocolate butter cake mix
4 eggs
1/2 c. oil
1/4 c. water
1 tsp. vanilla extract
1 (4 serving) pkg. instant chocolate pudding
8 oz. sour cream

Toss chocolate chips in a tablespoonful of the cake mix. Beat remaining ingredients together for 3 minutes. Fold in the chocolate chips. Pour into a greased and floured tube pan and bake at 350 degrees for 50 minutes.