heat oil over medium heat ,then add the onions ,garlic ,ginger and chilli . saute for approximately 6-8mins or until onion are soft . Add the curry powder ,coriander ,cumin ,paprika ,and turmeric and cook for a further 2-3mins ( add a little water if it starts to stick to the bottom of the pan) . Stir though tomatoes ,coconut cream and chicken . then simmer on a low heat for 20 mins till cooked through .... Serve with rice ,yogurt and fresh coriander to taste .