1 pkg. yellow cake mix (non-pudding)
1 (16 oz.) carton sour cream
1 lg. pkg. instant chocolate pudding
4 lg. eggs
1/2 c. Mazola or Wesson oil
1/4 c. dark rum
1 (6 oz.) pkg. chocolate chips
1/2 c. chopped nuts, optional

Mix all ingredients well. Add chocolate chips and nuts last. Bake at 325 degrees for 1 hour and 15 minutes in greased and floured tube pan (use bundt pan, need no frosting). Easy and very moist.