In the same pan/ kadai , heat 1 tablespoon of ghee and 1 tablespoon of oil.
Add 1 medium size onion chopped and saute till it turns translucent.
Now add 2 tablespoon of chopped mint leaves and sauté along with onions.
To this , add above prepared green masala paste and ¼ - ½ cup of blender rinsed water and
Cook masala paste on medium heat , until it starts to bubbles or oil starts to release from the edges. This is very important step masala should smell aromatic and there should not be any kind of raw smell in the masala.
Now add cooked mutton pieces and mix well, let masala paste coats mutton .
Let mutton mixes well with masala paste and cook for 3-4 minutes.
Add 1.5-2 cups of water, salt as per taste and mix well. If you want a thick gravy then just add 1 cup of water.
Cover lid and continue to cook on medium heat till it comes to boiling and oil starts to float on top.
Now open lid and keep on simmer for 2-3 minutes. If you want a thick gravy continue to cook curry in open untill it reaches the desied consistency.
Turn off the stove. And serve with steamed rice or flat bread of your choice.