Spare Ribs Using Shio Koji

Spare Ribs Using Shio Koji (Recipe)

I’m going to show you how to make delicious spare ribs using shio koji. This dish is special for me because this was the very first dish I made using shio koji. When I made this the first time, I was blown away by the way shio koji made the meat not only super flavorful but also soft and juicy. It made me fall in love with shio koji and the rest is history. I think you will love this dish.

Spare Ribs Using Shio Koji

Spare Ribs Using Shio Koji (Recipe)
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Sakura Yubi
Prep Time 10 minutes
Cook Time 20 minutes
Marinating Time 5 hours
Total Time 5 hours 30 minutes
Cuisine Fusion
Course Main Course
Servings 1 serving


  • 350 g (0.8 lb) spare ribs (Use any kind (pre-sliced, a rack, etc.) you like. )
  • 1.5-3 tbs (1.5-3 tbs) shio koji (About 10-20% of the weight of the spare ribs.)



  • Put the ribs and shio koji into a plastic bag.
    adding shio koji
  • Seal the bag and rub shio koji into the meat.
    rubbing shio koji into meat


  • Let it rest in the fridge for a few hours to a whole day.
    While the meat rests, enzymes called proteases in shio koji will continuously break down the proteins in the meat into amino acids to create umami. This process will also sever the fibers in the meat (because the fibers are made of protein), making the meat unbelievably soft. Also, as the fibers are being severed, small gaps will open in the meat, allowing for moisture and sugars from shio koji to get in. This will retain moisture and prevent shrinking of the meat during cooking, making the meat super juicy.


  • After the meat has rested, preheat the oven to 200 °C (392 °F).
    Place the ribs onto a baking tray and bake them in the oven for about 20 minutes depending on the size of your ribs. Shio koji burns very easily, so keep an eye on them during the last few minutes.
    placing meat on oven tray
  • They are done when the surface of the meat is golden brown and there is a little bit of char here and there. Enjoy!
    spare ribs right out of oven

Recipe Notes


Serving: 1servingCalories: 765.6kcalCarbohydrates: 18.9gProtein: 39.1gFat: 57.6gSaturated Fat: 18.4gPolyunsaturated Fat: 9.7gMonounsaturated Fat: 20.9gTrans Fat: 0.5gCholesterol: 196mgSodium: 1851.5mgPotassium: 592.9mgCalcium: 36.8mgIron: 2.2mg
Keyword koji salt, salt koji, shio koji, spare rib
Spare Ribs Using Shio Koji (Recipe)
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