Twelve mealy potatoes, peeled and sliced.
One quart of tomatoes—canned or fresh.
One half of an onion.
Two stalks of celery.
One tablespoonful of minced parsley.
Four tablespoonfuls of butter, cut up and rolled in flour.
One tablespoonful of cornstarch wet and dissolved in cold water.
One lump of white sugar.
Three quarts of cold water will be needed.