1 box yellow cake mix
1 box instant vanilla pudding mix (small)
1 c. sour cream
4 eggs
1/2 c. oil
1/2 c. water
6 oz. chocolate chips
1 bar German sweet chocolate or 4 sq. semi sweet chocolate

Mix first 6 ingredients together, grate chocolate bar, add chocolate chips and grated chocolate to cake. Bake in floured bundt pan for 50 minutes at 350 degrees.