Tired of eating. Due to the shortage of vegetables during the epidemic, most vegetables could not be preserved for a long time. At that time, potatoes, carrots and onions were the most common. Because these vegetables can be preserved for a long time and their nutrition is not bad, they are a good choice. After the epidemic, everything returned to normal, and with other dishes, people certainly didn't want to eat potatoes, onions and carrots that had been eaten for months.