Which bad ingredients is butter chicken covering up? From what I recall the origins are to use yesterday's leftover tandoori chicken in restaurants. In which ca

Which bad ingredients is butter chicken covering up? From what I recall the origins are to use yesterday's leftover tandoori chicken in restaurants. In which case it is reusing ingredients instead of throwing them away, not covering anything up. Funny how it worked and people try to recreate that flavor when they don't have leftover tandoori chicken.