Preheat the oven to 200°C/180°C fan/gas mark 6.
In a bowl, whisk together all the sauce ingredients.
Drizzle half of the sauce over the diced chicken, Add to the tray and bake for 10 minutes
Check if chicken is cooked through then remove from tray
On the same baking tray add the vegetables, season with a pinch of salt and pepper, and then pour over the rest of the sauce. On the other half of the tray add the cauliflower and wholegrain rice, then bake for another 12 minutes until they are cooked.
Meanwhile toast the cashews in a frying pan until they get an even golden colour.
Serve up into your tupperware boxes and garnish with the cashews, spring onion and sesame seeds.