Vegetable Cheese Soup
["1 c. finely cut celery", "1/2 c. finely cut carrot", "1/4 c. finely chopped onion", "2 Tbsp. instant chicken bouillon cubes", "1 qt. water", "1 qt. milk", "1 1/2 lb. American cheese, cut up", "1/2 c. butter", "1/2 c. flour", "1/2 tsp. dry mustard", "salt (optional)"]
["Cook celery, carrot, onion, bouillon and water until vegetables are tender.", "Scald the milk (do not let it boil).", "Add cheese.", "Stir until melted.", "Melt butter.", "Add flour and mustard; mix until smooth.", "Stir into liquid and heat.", "Stir in hot vegetables and the liquid in which they were cooked.", "Serve hot."]
["celery", "carrot", "onion", "instant chicken", "water", "milk", "American cheese", "butter", "flour", "dry mustard", "salt"]