Udon noodle is a kind of Japanese pasta. It is made of wheat, and there are special regulations on thickness and length. Its taste is between sliced noodles and rice flour, and it is soft, and with carefully prepared soup, it becomes a delicious pasta. It is a thick white noodle made by mixing salt and water into flour. Add hot soup in winter and cool it in summer. Cold udon noodles can be eaten with a thick sauce called "noodle seasoning juice".