Kōji (麹) is a fungus (Aspergillus oryzae) used in the production of many traditional east-Asian foods, including Soy Sauce, Miso, Sake, Mirin, Rice Vinegar, Shochu, etc. More and more people are exploring and experimenting with using kōji in new ways to transform foods through the use of kōji and it's produced enzymes. Share the things you have made using kōji and discuss issues related to incubating and growing this mold on various substrates.