Sopa De Frijol Negro Cuban Black Bean Soup

1 cup onion -- chopped

3 cloves garlic -- finely chopped

2 tablespoons vegetable oil

1 pound dried black beans

3 cups beef broth

3 cups water

1 cup cooked smoked ham -- finely chopped

1 cup green pepper -- chopped

1 large tomato -- chopped

1/4 cup dark rum

1 1/2 teaspoons ground cumin

1 1/2 teaspoons dried oregano

4 hard-cooked eggs -- chopped

1 small onion -- chopped

Cook 1 cup onion and the garlic in oil in Dutch oven until tender. Add remaining ingredients, except chopped egg and onions; heat to boiling. Boil 2 minutes; reduce heat. Cover and simmer until beans are tender, about 2 hours. Serve with chopped eggs and onions.