Soy Sauce is said to have originated in China and then brought over to Japan by a Buddhist monk who settled down in current-day Wakayama Prefecture in 1254. Using the abundance of clear, spring water from the town of Yuasa he began producing a type of miso that he had learned about on his travels that had been used to preserve vegetables. A byproduct from this process – a liquid that collected in the barrels of the miso paste – was soy sauce. And this is how the town of Yuasa became the birthplace of Soy Sauce.