Add the vegetable oil into the bowl and then add the onions. Cook until onions become translucent.
Add the garlic and ginger paste and cook for 30 seconds.
Add the dry spices and cook for another 30 seconds.
Add the grated tomato and cook for 2 minutes.
Add the chopped tomato and pepper and 100ml of chicken stock. Add more or less dependant on how wet or dry you like your curry. Stir and cook for 4 minutes.
Add the pre cooked chicken tikka and cook for a further 2 minutes.
Add the lime juice, salt and kasuri methi and cook for 1 minute.
Garnish with chopped coriander and serve.