1 (12 oz.) bag chocolate chips
1 sm. pkg. instant chocolate fudge pudding
1 pkg. chocolate fudge cake mix
4 eggs
1 1/2 c. walnuts
1 c. sour cream
1/2 c. water
1/2 c. oil
1 tsp. vanilla

Mix all the above ingredients together. Stir until blended. Pour into bundt cake pan. Bake at 350 degrees for 70 minutes. Leave in pan 15 minutes after removing from oven.