Ingredients
4-1/2 pounds ground beef1-1/2 cups chopped onions2-1/4 cups ketchup3 tablespoons prepared mustard3 tablespoons Worcestershire sauce2 tablespoons vinegar2 tablespoons sugar1 tablespoon salt1 tablespoon pepper18 hamburger buns, split
Preparation
In a Dutch oven, cook beef and onions until meat is no longer pink and onion is tender; drain. Stir in the ketchup, mustard, Worcestershire sauce, vinegar, sugar, salt and pepper. Heat through. Serve on buns.
