Japanese Sanuki Udon: Kagawa's Firm Noodle and the Udon County Culture
Kagawa Prefecture (former Sanuki Province), Shikoku, Japan
Sanuki udon from Kagawa Prefecture on the island of Shikoku represents one of Japan's most concentrated regional food cultures—Kagawa is sometimes called 'Udon Prefecture' (udon-ken) and has the highest per capita udon shop density in Japan. The defining characteristic of Sanuki udon is its texture: a firm, dense, highly chewy noodle with exceptional elasticity produced through a specific combination of wheat flour, salt, and water manipulation that stresses the gluten network to the maximum. The traditional making technique involves foot-treading (ashi-fumi) the dough wrapped in plastic—the even pressure of foot-treading creates a gluten network structure that hand-kneading cannot easily replicate. The noodle's high salt content (4–5% vs. standard 2–3%) combined with cold resting develops an unusually strong gluten matrix. Sanuki udon services come in three main styles: kake-udon (in hot broth), zaru-udon (cold, drained, with dipping sauce), and kamaage-udon (served directly from the boiling water in its cooking liquid with dipping sauce). The broth (dashi) in Kagawa is typically lighter than Kanto—made from iriko (dried sardines) and konbu rather than the katsuobushi-forward Kanto style, creating a dashi that complements rather than competes with the noodle's strong character. Kagawa's udon culture also includes the concept of jikabiki—self-service noodle operations where diners carry their bowls along a counter, add their own toppings, and pay by the number of noodle rounds.