Chicken Spaghetti Casserole
["3 Tbsp. margarine", "3 Tbsp. flour", "1 tsp. salt", "1/2 tsp. pepper", "1 tsp. dry mustard", "1 can tomatoes", "1/2 lb. grated cheese", "1 tsp. Worcestershire sauce", "1 can mushroom soup", "1 c. or more chicken broth", "1 big bag spaghetti", "2 c. cooked chicken, diced"]
["Mix first ten ingredients together in saucepan and cook until thickened.", "Cook spaghetti and drain.", "Mix sauce together with chicken and spaghetti in casserole dish.", "Bake at 350\u00b0 for 35 to 45 minutes.", "The last ten minutes, sprinkle with grated cheese and return to oven until cheese is melted."]
["margarine", "flour", "salt", "pepper", "dry mustard", "tomatoes", "grated cheese", "Worcestershire sauce", "mushroom soup", "chicken broth", "spaghetti", "chicken"]