Directions

1. In a skillet over medium heat, brown ground beef with chopped onion until beef is fully cooked and onions are soft.
2. Drain excess fat.
3. Add beef broth, Worcestershire sauce, mustard, salt, and pepper; stir and simmer uncovered for 5-10 minutes until mixture thickens slightly.
4. Adjust seasoning to taste.
5. Serve the loose meat mixture piled generously on toasted buns.
6. Add optional toppings such as pickles or cheese if desired.