Preheat oven to 180C fan.
Season the chicken thighs generously with salt and pepper.
Add the chicken thighs skin-side down to a large cold pan with no oil, bring to medium heat and cook for 8 - 10 minutes. To get a nice even sear, do not touch or move the chicken. Once it is browned enough it will release easily from the pan and have a nice golden crust.
Meanwhile, to a large rectangular baking dish, add the rice, chicken stock, spring onion, garlic, ginger, miso, soy sauce, rice vinegar and sesame oil. Stir well until the miso is mostly dissolved.
Arrange the cabbage wedges over the rice mixture.
Remove the chicken from the pan and place on top of the cabbage wedges.
Into the rendered chicken fat in the warm pan (off heat), stir through the miso, honey, soy sauce, sesame oil, garlic, ginger and black pepper until combined.
Brush the glaze all over the chicken thighs and pour any extra over the gabbage/rice
Cover tightly with foil and bake for 35 minutes.
Remove the foil and bake uncovered for another 15–20 minutes until the rice is tender, the cabbage is soft and silky and the chicken skin is browned and sticky.
For extra colour if needed, place under the grill for a few minutes right at the end.
Finish with spring onion, sesame seeds, coriander and crispy chilli oil if using.