yes. The undercooked hair cake just means that the inside of the hair cake is not cooked. The essence and raw materials of the hair cake have not changed, so it can be steamed again. The uncooked hair cake is steamed because the steamed container is too large, which leads to improper temperature control, resulting in the inside of the hair cake not being cooked. When evaporating the cake, choose a container with the right size, so that the hair cake can be heated evenly and cooked more easily.