1 large ham bone with meat on it, or 2 c. cooked ham chunks
4 cans great northern beans drained
1/2 each: carrot, celery, medium onion diced
1/8 - 1/4 tsp. each: salt, pepper
3 c. water
4 c. low sodium chicken broth
Heat a stock pot over medium high heat, lower heat to medium, add ingredients and half of the chopped onions. Cook for 45 min. - 1 hr. approx., stirring occasionally until done.
To serve: scoop soup into bowls with a ladle. Top soup with remaining onions and ketchup if desired.
Serves 6 - 8.