It is intended to provide a frozen product of a cooked food and a refrigerated product of a cooked food, wherein multiple kinds of cooked food materials to be re-heated under different conditions, which have been stored over a long time within a freezing temperature range or a refrigerating temperature range, can be heated, re-cooked and cold-sterilized by procedures appropriate for the moisture content required by the food even by simultaneously re-heating and keeping in an atmosphere at the same temperature a storage method and a storage apparatus. A base is prepared by adding an inflating agent to a dough, bubbling air into the dough or fermenting the dough by adding a yeast and then baking. Next, topping(s) are provided on the base or fillings are enclosed in the dough followed by baking to give a cooked food. The cooked food is then refrigerated or frozen while or after spraying water thereto, or it is frozen and then water is sprayed thereto. Subsequently, the refrigerated or frozen cooked food is packaged airtightly or substantially airtightly.
