Udon Chiri Honke Nishiya Honten is a Japanese restaurant near the Shinsaibashi shopping street in Osaka that serves udon and shabu-shabu. Its udon includes sukiyaki udon and tempura udon, with firm noodles. On the second floor there are tatami rooms where guests take off their shoes and table seating. The broth and the food leave a salty taste that builds as you eat.