In A Large Bowl, Combine The Egg, Broth And Butter. Add Stuffing; Mix Well. Pat Onto The Bottom And Up The Sides Of A Greased 9-In. Pie Plate; Set Aside. In A Skillet, Saute Mushrooms And Onion In Butter Until Tender. Sprinkle With Flour; Mix Well. Add The Turkey, Peas, Parsley, Worcestershire Sauce And Thyme; Mix Well. Stir In Gravy. Bring To A Boil; Boil And Stir For 2 Minutes. Spoon Into The Crust. Bake At 375 Degrees F For 20 Minutes. Arrange Cheese Strips In A Lattice Pattern Over Filling. Bake 5-10 Minutes Longer Or Until The Cheese Is Melted.