Step 1

Peel the sweet potato.

Step 2

Chop the onion and celery, and mince the garlic.

Step 3

In an 8 quart or larger pot heat oil and saute onion, garlic, and celery until onion becomes translucent. You don't want to brown the onion or burn the garlic so stir continuously and add a tablespoon of water if necessary.

Step 4

Add the rest of the ingredients, stir while bringing to a simmer, cover and cook for 35-40 minutes.

Step 5

If you would like your soup to be more brothy, add an additional two cups of vegetable stock.