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.

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