Bringing out potential of box cake: 1 box cake mix, 1 box (4 oz) pudding mix, 1 c. sour cream, 1/2 c. water, 1/2 c. vegetable oil, 4 eggs. 350 degrees 27-32 minutes...Just did this for my son's b-day party. It was so moist and good! I used chocolate cake mix, but vanilla pudding. Very tastey.