1 yellow cake mix
1 lemon instant pudding mix
4 eggs
1/2 c. oil
1 c. sour cream
1/2 c. nuts/chocolate chips

Grease and flour 10 inch tube pan. Mix first five ingredients together. Put 1/2 batter in pan; sprinkle with half of nuts and chocolate chips. Add rest of batter. Top with rest of nuts and chips. Bake at 375 degrees for 50 minutes. Let cool in pan.