Instructions

  1. Put all of the ingredients except for the macaroni in the bowl of a slow cooker.
  2. Cover and cook on low for 8 to 10 hours.
  3. Just before serving, cook the macaroni in boiling, salted water until al dente, about 7 minutes.
  4. Drain the macaroni and stir it into the soup.
  5. Serve topped with parmesan cheese.