Potato Soup in 1920

Boston Post, Boston, Massachusetts July 28 1920, page 18

• 3 potatoes
• 1 quart milk
• 1 onion
• 1 stalk celery
• salt
• pepper
• 2 tablespoons butter
• 1 tablespoon flour

Cook potatoes in salted water with the onion. When done mash smooth and rub through a sieve. Scald milk with celery, add butter and flour creamed together, then salt and pepper. Cook all together for 10 minutes.