• Ingredients: buckwheat flour (stone-ground, Ishii, Tokushima). Nothing else.
• Sodium: 0g — no salt is used in the noodle.
• Allergens: buckwheat. May contain wheat and yam (shared facility).
• Origin: Iya, Tokushima
• Net weight: 200g (about 2 servings) · shelf-stable for about 1 year

Okamoto Seimen has made noodles in Tokushima since 1947 — nearly eighty years beside the Yoshino River. Most dried soba leans on salt and wheat flour to hold the noodle together; Okamoto spent years refining a way to need neither. What remains is the hardest kind of simplicity: buckwheat, water, and time.

The soba tradition they draw on comes from the Iya Valley — a place of mist, vine bridges, and buckwheat fields on the mountainsides, soba country in the oldest sense.

With no salt in the noodle, nothing stands between you and the grain: the aroma of buckwheat arrives first, then a gentle sweetness and a clean, earthy finish. It reads not as plainness but as clarity — one ingredient, allowed to speak.

Cook the noodles in plenty of unsalted water for about four minutes, rinse them well in cold water, and taste one strand before anything else — that first plain bite is the whole point. Then make a dipping broth with dashi and a good soy sauce: it seasons the bowl with umami rather than salt, which is exactly how this soba likes to be treated. On a cold evening the same noodles slip into a warm kake soba; whatever is left keeps beautifully for a chilled noodle bowl the next day. And because the noodle itself is pure buckwheat, it is a graceful choice for the gluten-aware table — with the shared-facility note above in mind.