Potato Soup
24 medium-sized potatoes
4 qts. milk
4 qts. water
3⁄4 cup chopped onion
2 cups butter
1 cup flour
1⁄4 cup salt
2 teaspoons celery salt
1 teaspoon pepper
1⁄4 teaspoon cayenne
1⁄4 cup chopped parsley
Make it at directed on page 75.
Serves forty-five or fifty persons.