Add clean, pre washed, mushrooms and saute for 5 minutes
Sprinkle mixture with Lipton soup mix and gravy mix. Stir to coat and beef Consume. Bring to a boil, cover and remove from heat. This should allow the the grave mix to set up and thicken.
Once pie crust is pre baked you can spoon the mixture into shell, and create your lattice top with the remaining pie shell.
Top with Parmesan cheese and Bake at 350 for 60 minutes. For best results let pie cool to room temperature and thicken before slicing.