There is no such thing as "just" a chicken curry! This Chicken Jalfrezi recipe has strong Gujurati and Pakistani influences and is often found hanging out at all the best British Indian curry houses.
Place the chicken in a bowl, add the chilli powder, turmeric, and salt, then mix and set aside.
Cut the green chillis in half lengthways.
Peel the onion, then top and tail it and cut it into 8 wedges.
De-seed the red and green pepper and cut it into 2.5cm (1") cubes.
Peel and mash the garlic cloves to a paste.
Crack the cardamom pods with the back of a knife.
Heat a wok over a high heat, and when it is hot, add the ghee.Throw in the green chilli peppers, curry leaves, mustard seeds, cardamom pods and cook until the mustard seeds start to splutter.
Add the onion wedges, red and green pepper and stir fry for around 2 minutes.
Add the chicken, tomato puree, and garlic, then stir fry cook for 2-3 minutes.
Sprinkle over the cumin, ground coriander, and fenugreek leaves, then fry for 30 seconds, stirring continuously.
Pour in the tinned tomatoes, water, vinegar and jaggery and cook for 10 minutes stirring regularly.
Add the garam masala, have a taste and add more salt if required, then simmer on medium-low for 5-7 minutes to thicken the sauce.