Preheat the oven to 200C/400F/Gas 6.
For the chicken rub, place all the rub ingredients into a food processor and blend to a coarse paste.
For the chicken, season the chicken well with salt and freshly ground black pepper and rub over with the rub mixture.
Heat the olive oil and butter in an ovenproof frying pan, then add the chicken thighs and fry for one minute on each side.
Pour over the orange juice and transfer to the oven to roast for 15-20 minutes, or until the chicken is completely cooked through.
For the Brussels sprouts, heat the olive oil and butter in a frying pan. Add the Brussels sprouts and fry, continuously shaking the pan, for three minutes, until golden all over.
Drizzle over the honey, season with salt and freshly ground black pepper and stir well.
To serve, place the Brussels sprouts onto a plate with the chicken thighs arranged over the top.