Sanuki udon is a specialty of Takamatsu city and Kagawa Prefecture on the northern shore of the island of Shikoku. It is so popular all over Japan, that Kagawa prefecture is also called “Udon Prefecture”. This area of Japan was known as Sanuki during the Edo Period (1603 to 1868), hence the name.
Sanuki Udon noodles are a little thicker than normal udon noodles. They also have a couple of square edges instead of being completely round like other udon noodles. And they also have a chewier texture than other udon noodles.
They are served in the same ways as other udon noodles, such as zaru style (served cold and dipped into sauce before eating), kake style (served hot in a soy and dashi based soup stock) and with tempura, including chicken tempura, another specialty of the Takamatsu and Kagawa area. But the original style is called “kamaage” style. The noodles are served in the hot water used to cook the noodles. This is a very uncommon way to eat udon noodles, but we recommend trying it this way.
The “kamaage” style noodles are dipped into a dipping sauce before eating in the same manner as zaru udon. But the dipping sauce is warm. The sauce is warmed by immersing the ceramic sauce containers in hot water just like sake was warmed long ago. The dipping sauce is made on site using local Kagawa prefecture anchovies and Hokkaido kelp among other ingredients. And of course the udon noodles are made using local Kagawa prefecture wheat.