Chicken Tetrazzini
["8 oz. pkg. vermicelli", "1/4 c. margarine or butter", "3 Tbsp. flour", "2 c. chicken broth", "3/4 c. half and half", "1 to 3 Tbsp. sherry or wine (if desired)", "1 Tbsp. parsley", "1 tsp. salt", "1/8 tsp. nutmeg", "dash of pepper", "3 c. cubed, cooked chicken", "1 small can sliced mushrooms, drained"]
["Heat oven to 350\u00b0.", "Cook vermicelli as directed on package. Set aside."]
["vermicelli", "margarine", "flour", "chicken broth", "sherry", "parsley", "salt", "nutmeg", "pepper", "chicken", "mushrooms"]