1 box yellow butter cake mix
1/2 c. water
1/2 c. oil
1 sm. box vanilla instant pudding
1 c. chopped nuts
1 (8 oz.) sour cream
1 (6 oz.) pkg. chocolate chips
3 eggs

Mix together cake mix, water, oil, pudding, sour cream and eggs. Add nuts and chocolate chips; stir. Bake at 350 degrees in a greased and floured Bundt pan for 1 hour.