The rice balls packed in convenience stores can be heated for 2 to 3 minutes. Rice balls are a traditional Japanese food. The main ingredient is rice and the main ingredient is fish fillets. Moreover, the rice balls sold in convenience stores are generally cooked food products, which can be eaten only by heating for 2 to 3 minutes.

Method for heating rice balls:

1. Although rice balls can be eaten cold, cold food is not good for the stomach after all. If possible, it is better to heat the cold rice balls. We can directly heat it in the microwave oven. Generally, when you buy rice balls in a convenience store, the store will provide heating service.

Besides heating with electric rice cooker, we can also put rice balls in a pot and steam them with water. However, it should be noted that the rice balls we take out are best eaten on the same day. If you don't eat them the next day, they may go bad and can't be eaten.