Blend 4 oz onoin with a little water.
Add ginger garlic paste alongwith salt , chilli powder and corriander powder blend well.
Mix the blended ingredients with mutton.Now add water about 4 to 6 cups and cook until the meat is tender and water dries up.
Now add oil and fry the meat till it leaves oil on the sides.
Beat yogurt with salt .
Cut the rest of the onion , green chillies and mint leaves finely chopped.
Prepare a heat proof dish and lay alayer of meat then of yogurt and top with the green masala repeat the process till the ingredints are
Put a piece of onion skin in the middle of the dish and the put the litted coal on it.
Drop a little bit of oil on litted coal and cover the dish immidiately.
Put the dish in the oven and cook for 1/2 hour.Serve with naan or rotti