1 lb. hamburger, browned
1 med. onion, chopped
3/4 c. milk
1 (8 oz.) pkg. cream cheese
1 can corn, drained
1 can mushrooms, drained
1 can cream of mushroom soup
1 (8 oz.) pkg. noodles, cooked
Parmesan cheese

Mix all ingredients together in baking dish. Sprinkle with Parmesan cheese. Bake uncovered on 350 degree oven 30 minutes.