All-american barbecue sandwiches

4 1/2  pounds        Ground beef
   1 1/2  cups          Onion -- chopped
   2 1/4  cups          Catsup
   3      tablespoons   Prepared mustard
   3      tablespoons   worcestershire sauce
   2      tablespoons   Vinegar
   2      tablespoons   Sugar
   1      tablespoon    Salt
   1      tablespoon    Pepper
  18                    Hamburger buns -- split

Recipe by: Sue Klapper In a Dutch oven, cook beef and onion until meat is
browned and onion is tender; drain. Combine catsup, mustard,
worcestershire, vinegar, sugar, salt and pepper; stir into beef mixture.
Heat through.  Serve on buns.