1 yellow cake mix
4 eggs
1/2 c. oil
1 c. sour cream
1 pkg. instant vanilla pudding

1/2 c. chopped nuts 1 tbsp. cocoa 1 tbsp. cinnamon 1/2 to 1 c. semi-sweet chocolate chips

Combine first 5 ingredients well and beat 5 minutes at medium speed. Combine remaining ingredients. Beginning with batter, alternate with cocoa-cinnamon mixture in a well-greased bundt pan. Finish with batter. Bake 45 to 50 minutes at 350 degrees. Cool 10 minutes before removing from pan.