preheat oven 350°F

boil macaroni noodles until tender, drain, set aside

brown onion,celery and mushrooms in pan over medium high heat with 3 tablespoons of butter

add meat cook until tender

add cream of mushroom soup, milk and cheese to meat mixture until cheese has melted, save 1/4 cup of cheese for top of casserole

add the rest of ingredients

grease a 2 quart casserole pan, add all ingredients top with 1/4 cup of grated cheese

cook in oven for 20 to 30 minutes, remove when cheese is slightly browned