You put bayleaves, cinnamon sticks and onion in the oil

Then let your onion cook then add ginger and garlic and some ground turmeric

Then add then chicken and let it braise, if you want to put potatoes depending on how soft cooking they are you will have to judge when to put them in when u put them in u can add chopped tomato the more tomato the more gravy but maybe half to 1 depending on the quantity of chicken

Add some of your brown spices like garam masala, ground jeera and ground dhania

And add water as you go along to cook the meat and potatoes

Let it simmer until its done. Serve when ready.