PROBLEM TO BE SOLVED: To provide a production method of a core material for rolled sushi, in which seasoned soybean curd in which a seasoning liquid is sufficiently immersed, can be acquired, and soybean curd by which rolled sushi can be easily produced by hand work is used as a raw material, and the core material for rolled sushi which is made of soybean curd as the raw material.SOLUTION: The production method comprises a step for freezing soybean curd which was produced by a normal production method, a step for thawing the frozen soybean curd, a step for cutting the soybean curd into a rod-like shape, and a step for seasoning the pieces of soybean curd which were thawed and cut into a rod-like shape.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】 巻き寿司の芯材として調味液が充分に浸み込んだ味付け豆腐が得られると共に、手作業において容易に巻き寿司を製造することができる豆腐を原料とする巻き寿司用芯材の製造方法及び豆腐を原料とする巻き寿司用芯材の提供。【解決手段】 通常の製法で製造された豆腐を一旦凍結する工程と、凍結した豆腐を解凍する工程と、豆腐を棒状にカットする工程と、解凍されかつ棒状にカットされた豆腐を味付けする工程と、からなる。【選択図】なし