Whisk contents of package into 6 cups of water. Bring to a boil. Reduce heat and simmer for 20 minutes. While soup is simmering brown 1 lb. of ground beef and onion. Drain. Add ground beef, onion and two 15 oz. cans of black beans to the soup and simmer an additional 20 minutes. Garnish with shredded cheddar cheese. This soup can also be served as a vegetarian delight.
