Urban Hippie » Urban Hippie » Recipes » How to make Rice Koji

Rice Koji is the most inportant ingredients for Miso paste. Koji is a type of fungus that helps fermentation. It is Urban Hippie’s secret. But I can show you how to make it.

  1. Rince rice with cold running water for few times. Then leave for over night.
  2. Drain water with colander and leave for a couple of hours.
  3. Steam rice until rice is soften.
  4. Place rice to a bowl then cool down to body temperature.
  5. Inoculate Koji culture. Mix very well with your hand.
  6. Put rice in a shallow tray, cover with damped cloth. Leave in a incubator for 40 hours.  Keep temperature of rice around 38℃ and high humidity. Mix few times while rice in the incubator. After 8 hours, temperature will rise themselves. So keep your eyes open for temperature that doesn’t rise higher than 43℃.
  7. After 40 hours, take rice out from the incubator. Leave rice for a while for cooling down and dries a little.

You can keep fresh rice koji in a fridge for a couple of week otherwise freeze it. You can make own Miso paste at home with fresh Koji, even you can make home made cloudy Sake.

We sell fresh Rice Koji $18.00/kg.

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15 comments on “How to make Rice Koji

    • Hi there, We are sorry to take long time to get back to you. We have not done to send our products to India. But I don't think it's any problem. Just let you know we will ship it by New Zealand post that will be quite expensive. If you know what you would like to order, please let me know then I can find out how much the freight will be. Thanks Take
  1. Hello, do you sell koji spores? I don't know of anyone else in NZ and I am looking to buy some to try and make miso. Thank you for posting this by the way because I was wondering how to Many thanks, Ruth.
    • Hi Ruth, I am very sorry that I totally forgot to reply. We don't sell Koji Spores. But We sell Rice Koji. You can make Miso from our Rice Koji. It is good to hear that you enjoyed the post. Thanks Take
        • Hi there, Thank you for contacting us. Yes you can make sake with rice koji. Many people are using our rice koji to brew their own sake!! We sell rice koji 1kg for $18. Please email us if you would like to buy. Thanks Takehito
  2. When I got up this morning my house was filled with the aroma of rice koji.... I use an oven heating drawer for all my fermentions (hostess trolley would also do) and I take care to place a dish of water alongside the dish of koji ferment so that it provides a bit of help to the koji (itself covered with moistened kitche towel).
    • Hi Chazza, The aroma of Koji.... It is quite difficult to describe. I think it is pretty similar when you cook chest nuts. It is good idea to use heating drawer!! Thank you for the comment!! Take
    • Hi John, Thank you for require. Unfortunately we don't ship Rice Koji to over sea. It is fresh Rice Koji. So it may spoil while its shipping in room temperature. I think you can buy dried rice koji in US?? Thanks Take
  3. Hi Takehito, Will you send koji rice express post to western australia. I am more than happy to pay extra for the courier.. Cheers Tim
    • Hi Tim, Thank you for your interest. I have never send Rice Koji to OZ however I can try it. See what is going to happen. Rice koji in 1kg bag for NZ$10. Please let me know how many bags you after then I can find freight cost. I make rice koji to order so give me about a week time before sending away. Thanks Take
  4. I am interested in making sake, so would like to buy 1kg rice koji. can you let me know how much to courier to Dunedin? I like your site :-) cheers Chris
    • Hi there, Thank you contacting us. Unfortunately we don't send our products to oversea due to high shipping cost. It is often more expensive than products price. We are happy to send it if you don't mind for pricy shipping cost. Please email us how many bags you after then I will find shipping cost. info@urbanhippie.co.nz Thanks Takehito MAEDA

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