Potato Soup
["2 Tbsp. butter", "2 Tbsp. flour", "1 onion, cut up fine", "3 pieces celery, cut up", "1 tsp. salt", "1/4 tsp. pepper", "4 potatoes, diced", "4 c. water", "1 c. milk"]
["Place butter, onion, celery, salt, pepper, potatoes and water in saucepan.", "Cook 40 minutes.", "Moisten flour with milk; beat until smooth, then add remaining milk.", "Add to soup and boil a few minutes."]
["butter", "flour", "onion", "celery", "salt", "pepper", "potatoes", "water", "milk"]