Fry bacon in a largeskillet until crisp.
Drain, reserving 1 teaspoon of drippings
Set bacon aside.
Cook beef in drippingsuntil no longer pink.
Drain
Toss onion, mushrooms,carrots, and celery in flour, add to skillet with broth, Worcestershire sauce,salt, and pepper.
Bring to a boil.
Reduce heat.
Simmer uncovered for 15-20minutes until vegetables are tender.
Add beef and bacon.
Put into a greased 2-quartbaking dish.
Combine potatoes and ½cup of cheese, spread over beef mixture.
Sprinkle with remainingcheese.
Bake uncovered at 350 for20-25 minutes or until heated through.