Chicken Tetrazzini
["4 chicken breasts, cooked", "2 (10 1/2 oz. each) cans cream of chicken soup", "2 c. sour cream", "1 stick butter, melted", "2 small (4 oz. each) cans mushrooms, drained", "1 (7 oz.) pkg. spaghetti, crushed", "salt and pepper to taste", "grated Parmesan cheese"]
["Cube chicken.", "Combine soup, sour cream and butter.", "Stir in chicken, mushrooms, spaghetti and salt and pepper.", "Turn mixture in a greased 13 x 9-inch casserole.", "Sprinkle cheese on top.", "Bake at 350\u00b0 until hot and bubbly, 25 to 30 minutes.", "Makes 8 servings."]
["chicken breasts", "cream of chicken soup", "sour cream", "butter", "mushrooms", "salt", "Parmesan cheese"]