The culinary passport is seen as a fresh idea that turns dining experiences into highlights of a travel journey. Instead of traditional sightseeing, visitors can “stamp their taste buds” by checking in with signature dishes at each destination. This idea opens up new ways to stimulate tourism demand.

Alive to the power of social networks, Dao Huu Quy challenges himself as a "content creator", "molds" the appeal of Hue's traditional beauty into the videos of Hue culture... and posts them on social networks, starting with unique dishes of the Ancient Capital.

Boi p'ruc is the name of the salt with leaves and seeds of the Ta Oi people in the A Luoi highland. This is the "divine" salt used for many dishes of the Ta Oi people on weekdays and traditional holidays.