In skillet, cook bacon until crisp:drain, reserving 1 tsp drippings. Set bacon aside. Cook beef in drippings over med. heat until no longer pink:drain. Toss onion, mushrooms, carrot, and celery in flour: add to skillet with the broth, Worcestershire sauce, tarragon and pepper. Bring to a boil: reduce heat. Simmer uncovered for 15--20 mins or until vegetables are tender. Add bacon: transfer to a greased 2 qt baking dish. Combine potatoes and 1/2 cup cheese: spread over beef mixture. Sprinkle with paprika and remaining cheese. Bake uncovered at 350 deg for 20-25 min or until heated through. Broil 4 inches from the heat for 5 mins or until bubbly
