Here's the recipe that we used
Chop up the mirepoix.
Gather other ingredients.
Cook mirepoix for 5 minutes.
Add remaining ingredients at this time.
Cover and simmer for an hour and a half.
Strain ingredients with towel to catch all of the broth in a bowl.
This is the recipe we used that includes the broth we made.
Chop up mirepoix to make start of the soup.
Purée half a can of navy beans.
Cook mirepoix for 5 minutes until vegetables are tender.
Add remaining ingredients and simmer soup for an hour and a half. The last 10 minutes add shell pasta to finish soup.