Turkey Tetrazzini
["3/4 c. butter or margarine", "3/4 c. flour", "salt", "1/8 tsp. nutmeg", "1 qt. milk", "turkey stock or canned chicken broth", "4 egg yolks", "1 c. heavy cream", "1/2 c. dry sherry", "1 lb. thin spaghetti", "cooked turkey", "2 cans mushrooms", "8 oz. sharp Cheddar cheese, grated (2 c.)"]
["Make sauce.", "Melt butter in large saucepan.", "Remove from heat. Stir in flour, 3 teaspoons salt and the nutmeg until smooth. Gradually add milk and turkey stock; bring to boiling, stirring constantly; boil 2 minutes or until slightly thickened."]
["butter", "flour", "salt", "nutmeg", "milk", "turkey stock", "egg yolks", "heavy cream", "sherry", "thin spaghetti", "turkey", "mushrooms", "Cheddar cheese"]