Why do tourists eat noodles with a green onion instead of chopsticks in this Edo town?

Why do tourists eat noodles with a green onion instead of chopsticks in this Edo town?

Charming old post town serves up a culinary tradition you won’t find anywhere else in Japan.    If you’ve ever wanted to step back in time to the Japanese feudal era, when merchants, pilgrims, and samurai stopped in picturesque post towns while travelling along major routes, then you’ll want to make the journey to the mountainous area of Minami-Aizu in Fukushima Prefecture. Here, you’ll find Ouchijuku (“大内宿”), a post-town with a beautifully pres…