Marinate the chicken in the marinade for one hour
Heat oil in a pan and fry the chicken for 10 minutes. Remove the chicken and keep aside.
In the remaining oil, fry the chopped onions till golden, then add the ginger-garlic paste and fry sprinkling some water now and then till oil separates.
Add the cashew nut paste, chili powder, tomato paste and cook for 10 minutes.
Add the butter, cream and chicken. Mix well and cook until it is done.
Garnish with cilantro.