Smoky Pinto Bean and Potato Soup

Yield:	6 Servings
Categories:

1	md	Onion, chopped
2	md	Red potatoes, cut into l/2" cubes
2		Carrots, thinly sliced
1		Celery stalk, thinly sliced
14	oz	Cooked pinto beans, rinsed and drained
28	oz	Fat-free beef broth
2		Cloves garlic, chopped
1/2	ts	Cumin seed
1/4	ts	Black pepper
1	ts	Mesquite smoke flavoring
1	tb	White wine vinegar
1/4	lb	Chopped smoked sausage, optional