Sweet Potato Soup

Description
Sweet Potato Soup from the Public Domain Cookbook -- original source of recipe, taken from government resource in the public domain
 * Serves: 8

Ingredients

 * ⅔ cups chunky peanut butter
 * 1 tablespoon canola oil
 * 2 cups onion, chopped
 * 6 cups peeled and chopped sweet potato
 * 1 tablespoon ground cumin
 * salt and pepper, to taste
 * 2 (15½ oz) cans garbanzo beans, drained
 * 2 (14½ oz) cans low sodium vegetable broth
 * 1 (28 oz) can diced tomatoes, undrained

Directions

 * 1) Heat oil in a dutch oven or large saucepan over medium-high heat.
 * 2) Add onions and sauté until lightly browned.
 * 3) Stir in remaining ingredients, bring to a boil then reduce heat and simmer uncovered for 30 minutes or until sweet potato is tender.