Rice balls can be eaten cold, but cold food is not good for the stomach after all. If possible, it is best to heat the cold dumplings.

You can heat it directly in the microwave oven. Generally, when you buy rice balls in a convenience store, the store will provide heating service.

In addition to heating with an electric rice cooker, you can also put rice balls in a pot and steam them with water. However, it should be noted that it is best to eat the rice balls carried on the same day. If you don't eat them the next day, they may go bad and can't be eaten.

Convenience store rice balls can be heated by microwave oven, waterproof heating, hot water heating and air conditioning hot outlet heating.