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.
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