Abstract: A frozen food product according to the present application comprises: a frozen food; a food container having formed therein an inner space for accommodating the frozen food and formed of an edible material; and a packaging material including a first packaging material surrounding the frozen food and disposed between the food container and the frozen food, and a second packaging material surrounding the food container, in order to prevent moisture from being transferred to the food container, wherein the packaging material generates heat by means of microwaves.

Abstract: The present application relates to: an edible sheet comprising a joined sheet, which comprises at least one grain sheet containing grains and at least one seaweed sheet containing seaweed, and a moisture prevention layer, which comprises a moisture prevention material formed on at least a part of one side surface of the joined sheet and/or one surface of the joining part at which the grain sheet and the seaweed sheet are joined in order to form the joined sheet; and an edible sheet preparation method comprising: a joining step of forming a joined sheet by joining at least one grain sheet containing grains and at least one seaweed sheet containing seaweed; and a step of forming a moisture prevention layer comprising a moisture prevention material on at least a part of one side surface of the joined sheet and/or one surface of the joining part at which the grain sheet and the seaweed sheet are joined in order to form the joined sheet, and comprising the steps of: including a joined sheet in which at least one g