Cut and wash the chicken and make pieces.
Grind masala in vinegar.
Fry sliced onion till brown, add coriander leaves and stir, put masala and fry it.
Stir frequently. Now add meat and salt to taste.
Cover the dish. Allow the meat to cook in its own gravy.
Stir frequently, so that it does burn.
Boil the potatoes, peel and cut into fours.
Add them to the meat. Allow it to simmer for 10 minutes.