"Sunaba" — the sand pit — is the oldest name in soba: it goes back to noodle shops that fed the laborers at Osaka Castle's sand yards in the 1580s. The Muromachi branch of that lineage has stood in Nihonbashi since 1869, run by five generations of the Muramatsu family, and in the postwar years it gave Japan a dish so universal that few people know someone invented it: tenzaru — cold soba with a hot dipping broth crowned by a shrimp-and-scallop kakiage.
What you eat
The original, obviously: chilled noodles in two styles — the ivory zaru milled from the buckwheat's heart, the darker, nuttier mori — dipped into warm broth where the kakiage slowly gives up its sweetness. Around it, the full grammar of Edo soba culture: sobamiso and herring with sake first, noodles last, all in a building with a small courtyard garden at its center.
The Noren View
At ¥2,200 for the signature dish this is the most affordable entry in our collection — and one of the most historically dense lunches in Tokyo. The move travelers miss: the upstairs tatami banquet rooms, phone-booked, where the same kitchen serves a leisurely soba kaiseki. Pair it with the Mitsukoshi flagship and the Mitsui Museum for the definitive old-Nihonbashi half day.
Who should go
Anyone who thinks they know soba; anyone building a shopping day around Nihonbashi; anyone who likes eating history where it was invented.