American Barbecue Sandwiches

All-American Barbecue Sandwiches 4 1/2 pounds ground beef 1 1/2 cups onion — chopped 2 1/4 cups ketchup 3 tablespoons prepared mustard 3 tablespoons Worcestershire sauce 2 tablespoons vinegar 2 tablespoons sugar 1 tablespoon salt 1 tablespoon pepper 18 hamburger buns Brown ground beef and onion. Drain off grease. Add ketchup, mustard, Worcestershire, vinegar, sugar, … Read more