Saute onion and celery in butter. Stir in tuna, soup, mayonnaise, milk, mushrooms, ... drain. In 2-quart casserole, combine noodles and tuna mixture. Top with potato chips tossed in 2 tablespoons melted ... 30 minutes. Serves 6.
Ingredients: 12 (celery .. mayonnaise .. milk .. mushrooms .. noodles ...)