| 摘要 |
PROBLEM TO BE SOLVED: To sanitarily and uniformly heat food and to perform stewing with steam and cooling without lowering the quality of food. SOLUTION: Steam is supplied from a steam supplying means 19 into a cooking chamber 11 of a sealable container 12 equipped with the cooking chamber 11 for storing food, stewing food with steam and cooling it, pressure inside the cooking chamber 11 of the container 12 is reduced by a pressure reducing means 21, and food placed in this cooking chamber 11 is cooled. Afterwards, at the time of cooking while leading air through an air communicating means 15 into the cooking chamber 11 of the container 12, the supply or reduction of pressure of steam into the cooking chamber 11 of the container 12 is fully automatically controlled by a controller 21 and clean steam is fed to the cooking chamber 11 by removing dust or the like through a steam purifying device 19 interposed in a steam supply pipe 19a communicating a steam supply source 20 and the cooking chamber 11 in the case of supplying steam to the cooking chamber 11.
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