1 cake mix, Swiss or devils food
1 (3 oz.) pkg. instant chocolate pudding
1/2 c. oil
1/2 c. water
4 eggs
1 c. sour cream

Mix well. Beat 2-4 minutes. Add package chocolate chips and chopped walnuts. Grease and flour Bundt pan. Bake in a preheated oven at 350 degrees for 45 minutes or until toothpick comes out clean. Let cool for 5 minutes and take out of pan. Sift powdered sugar on top.