In Japan, people eat the seven herbs rice porridge or ‘nanakusa-gayu’on Jan.7th. The seven herbs porridge was introduced from China and then became popular in Japan by Edo period. Its original intention is to protect oneself against evils and invite good luck and longevity by eating the seven herbs that endure the cold winter. Nowadays people eat seven herbs porridge for our good health during the year and to rest our stomach after eating too much festive feast during the new year holiday.
After Jan.3rd, you can find the seven herbs set in a plastic pack sold in supermarkets and you can even find instant food of rice porridge of seven herbs.