Tuna Noodle Casserole

tuna, in water and drained well

cream of mushroom soup

cream cheese: onion and chives, whipped

onions, cut into small dice

celery stalks, cut into small dice

egg noodles, medium

salt and pepper to taste

milk

fresh mushrooms, sliced ( i used white button mushrooms cuz that's what i had on hand. but you can use whatever)