Hamburger Soup for 50

To 3 gallons of meat stock, add :

4 lbs hamburger, well browned
8 ounces uncooked rice
8 ounces chopped onions
8 ounces sliced celery
8 ounces sliced carrots
12 ounces peas

Simmer for about an hour, or until rice is done.

Serves 50.