Place yoghurt, garlic, ginger, cumin, coriander, garam masala and chilli powder in a glass or ceramic dish. Add chicken. Stir to coat. ... Heat oil and butter in a heavy-based saucepan over medium-high heat. Add onion. ... Stir in cream. Simmer for a further 5 minutes or until heated through.
You can purchase premade butter chicken sauce from your local grocer, or the paste where you would only need to add water and heavy cream and chicken breast pieces. Put it all in a karahi and cook it!