Heat saucepan, Add butter till it's melted. Add mushrooms and onions, stir well. Add Parmesan cheese. Saute on low heat for about 15 minutes. In a separate bowl, scramble egg and milk. Add egg and milk mixture to other ingredients. Scramble as you would if you were making plain scrambled eggs. Cood over medium heat, stirring constantly --. When eggs are not wet anymore, serve with toast or bagels -- .