Sloppy Joes

2 pounds ground beef

1 cup chopped onion

1 cup chopped celery

¼ cup chopped green pepper

1 cup ketchup

1 (10 ¾ ounce) can tomato soup

2 tablespoons vinegar

2 tablespoons Worcestershire sauce

2 Tablespoons brown sugar

12-18 hamburger buns

In large skillet, brown ground beef and drain fat. Add chopped onion, celery and green pepper and cook 5 minutes. Stir in ketchup, soup, vinegar, Worcestershire and brown sugar and simmer for 20-30 minutes. Spoon into hamburger buns to serve.