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Care of Casseroles

Casseroles will last indefinitely if properly treated. It is wise to avoid a sudden and great change in temperature, such as occurs when a casserole is taken from a hot oven and placed in a wet sink. It is not advisable to set a glass or earthenware casserole over a high flame without an asbestos mat under it. A new casserole may be tempered and made more tough by pouring cold water into and about it, and bringing it gradually to the boiling-point.