Penthouse Casserole - cooking recipe

Ingredients

1 pkg. Kraft Deluxe macaroni and cheese dinner
1 can cream of celery soup
1 can tuna fish, drained
1 (4 oz.) jar mushrooms, drained
1/2 c. milk
2 Tbsp. finely chopped onion
1 1/2 c. soft bread crumbs
1/4 c. melted margarine

Preparation

Prepare Kraft dinner as directed on package.
Add soup, tuna fish, mushrooms, milk and onion; mix well.
Pour into a 2-quart casserole.