Shortening will catch fire if overheated. Damage or serious burns may result. Do heat shortening carefully uncovered, on medium heat. Do reduce heat if smoking occurs. Do not leave unattended while heating. Do not refill can with hot shortening. If shortening catches fire: Do turn off heat, do cover pot until cooled to room temperature to avoid reignition, do not carry pot until cool, do not put water on hot or flaming shortening.