Instructions

  1. Fry bacon in large skillet; crumble and set aside.
  2. Drain off all bacon drippings.
  3. Add ground beef to skillet and brown; drain off fat.
  4. Sir in bacon, onion, catsup, mushrooms, salt and pepper.
  5. Cover and simmer 10-15 minutes.
  6. Sprinkle cheese over top, and heat until cheese melts.
  7. To serve, spoon over split hamburger buns.