Pour the water for the rice into a saucepan and bring to the boil.
When boiling, stir in the rice and nigella seeds, lower the heat to medium and pop a lid on the pan.
Leave to cook for 10 mins, then remove the pan from the heat (still covereand leave to the side for another 10 mins or until ready to serve (the rice will continue to cook in its own steam).
Toast the Cashews
Meanwhile, heat a frying pan on high heat (no oil).
Add the cashews and toast, tossing the pan occasionlly, until golden brown.
When nicely toasted, remove the pan from the heat and pop the cashews in a bowl.
Preheat your grill to high and line a baking tray with a piece of lightly oiled foil.