Au Jus ( for Prime Rib) Recipe

In saucepan, combine carrot, celery, onion, parsley and water. Bring to boiling; stir in bouillon cubes until dissolved. Simmer until vegetables are tender, about 25 minutes. Strain broth and reserve; discard vegetables. Pour off and reserve drippings from roast;* pour broth into pan. Bring to boiling; stirring to loosen brown bits; simmer 5 minutes. Serve with prime rib.
Note: The reserve drippings were used to make ""Wild Rice Yorkshire Pudding"" of which there was a recipe for