Potato Soup
["1 tsp. sugar", "1 1/2 tsp. salt", "1/4 tsp. celery salt", "1/8 tsp. pepper", "2 Tbsp. butter", "1 Tbsp. finely chopped onion", "3 large potatoes, cubed", "3 c. milk"]
["Lightly brown butter in large kettle.", "Remove from heat and cool down burner.", "Add onions; return to burner and saute until tender.", "Add potatoes and water to cover and cook until soft. Drain off liquid and reserve."]
["sugar", "salt", "celery salt", "pepper", "butter", "onion", "potatoes", "milk"]