1 pkg. yellow cake mix
1 pkg. (small) chocolate instant pudding
4 eggs
1 c. sour cream
1/2 c. oil
1 tbsp. vanilla
1 pkg. (12 oz.) chocolate chips
1 c. nuts, chopped

Preheat oven to 350 degrees. Mix first 5 ingredients. Beat 5 minutes, stir in chips and nuts. Pour into greased and floured (or use Bakers Joy) bundt pan. Bake at 350 degrees for 55 to 60 minutes. Cool for 15 to 20 minutes before removing from pan.