Cheeseburger with crumbs

1 lb hamburger 1 cup finely chopped onion 3/4 cup finely chopped celery 3/4 cup grated carrot 4 garlic cloves , minced 3 cups chicken broth 4 cups cubed red[...]

2 lbs lean ground beef 1 green bell pepper , finely chopped 1 small onion , finely chopped 2 garlic cloves , minced 1/4 teaspoon pepper 4 tablespoons ketchup[...]