Potato Soup
["1 Tbsp. chopped onion", "2 Tbsp. butter", "1 tsp. salt", "1/4 tsp. celery salt", "1/8 tsp. pepper", "1 c. mashed or boiled potatoes", "2 c. hot milk"]
["Mix all together and let cook until potatoes are tender.", "Let cool for a few minutes and serve."]
["onion", "butter", "salt", "celery salt", "pepper", "potatoes", "hot milk"]