It is said that, when the rice is completely steamed, the preferred state of the rice is that holes called crab holes are observed on the surface of the rice or, when a chopstick is inserted into the rice, no rice sticks to the chopstick, however, after the rice is steamed, there is no problem when the rice has no hard core and the rice is steamed to have the hardness which is almost equal to that of festive red rice.
炊けた状態は蟹の穴と呼ばれる孔が表面に見えるか、箸を挿してもち米が付着しなければ良いとされるが、米の芯が残っていない赤飯程度の固さに炊けていれば良い。