Preheat the oven to 180C. Grease a large oven dish.
Season the chicken or chicken portions well with chicken spice and salt.
Place the rice in the oven dish, sprinkle with the soup powder and add the tomato & onion mix. Pour over the boiling water and mix through. Arrange the chicken portions on top, cover and bake in the oven until it’s done. About 60 minutes.