Heat butter in skillet. Dredge mushroom in egg wash, then in crumb mixture. Fry mushroom until golden brown on both sides. Serve with Mashed Potatoes and Gravy.
03Boil potatoes until fork tender. Drain well. Add remaining ingredients and mash well.04Make the roux by melting butter in a saucepan. Add flour and stir until incorporated. Add heavy cream and stir well until simmering. Remove from heat and season with salt and pepper.