1 cake mix (yellow or white)
1 pkg. instant pistachio pudding
4 eggs
1/2 c. oil
3/4 c. water
6 oz. chocolate chips

Mix together first 5 ingredients for 5 minutes. Add chips and mix well. Pour into greased and floured 9 x 13 inch pan. Bake at 350 degrees. Check after 25 minutes. Cool. Frost with fudge frosting or Cocoa Butter Frosting.