I had this typed before I realized it couldn't be the one you are looking for as there is no cheese. However, this is an old recipe and delicious. You could add cheese.

Tuna Noodle Casserole

1 package (8 ounces) wide egg noodles
3 tablespoons butter or margarine
1/4 lb mushrooms, sliced
1/2 cup chopped onion
1/3 chopped green pepper
1/3 cup coarsely chopped celery
3 tablespoons flour
2 cups milk
1 cup chicken broth
1/4 teaspoon salt
1/4 teaspoon freshly ground pepper
2 cans (6 ounces each)tuna, drained
I cup crushed potato chips

Preheat oven to 350 degrees. Grease a 2-quart casserole. in sauce pan cook noodles according to package directions until al dente.

In medium skillet melt butter or margarine over medium heat. Add mushrooms, onion, green pepper and celery. Saute about 5 minutes, stirring occasionally. Stir in flour until smooth, cook, stirring frequently, about 5 minutes. Gradually add milk and chicken broth, stirring until smooth. Add salt and pepper. Simmer 10 minutes, stirring occasionally.

In a large bowl combine noodles, sauce and tuna; toss well. Spooninto prepared casserole. Sprinkle top with crushed potato chips. Bake 30 minutes. Let stand 10 minutes before serving. Makes 6 servings.