Shio Koji How to make Shio-koji, What is Shio-koji and How to use? What is Shio Koji (塩こうじ/塩麹/塩糀)? Shio Koji (塩こうじ/塩麹/塩糀) is a Japanese fermented ingredient. It's made of salt, water and ... 2019.11.08 2021.03.11 Shio Koji