Recipe : Black Bean Soup I

Ingredients
2 cups dry black beans
6 cups water
4 cups chicken broth
1 tablespoon salt
2 tablespoons vegetable oil
1/2 onion, chopped
1 tomato, diced
1/2 cup chopped ham
1 tablespoon distilled white vinegar

Directions
Simmer beans, water, ham bone, broth, and salt for 1 1/2 hours.
Discard ham bone. Puree about 1/2 of soup; pour back into pot.
Saute onion, tomato, and meat in oil until onion is soft. Stir in vinegar, and then add mixture to beans. Simmer for 20 minutes. Serve hot.