Heat oil in a large frying pan or wok and fry onion, chicken, paprika, chili, turmeric and garlic for 3-4 minutes, add in rice and tomato paste then stir for a further 2 minutes and turn heat to low.
Add a cup of stock at a time to the pan and stir regularly until liquid soaks into the rice
Add in prawns five minutes before serving, and finish with parsley.