This green chili mutton has become very popular nowadays in Bengali restaurants in Kolkata. They make this dish with chicken also. After reading the ingredients you will wonder why spinach leaves? 6 blanched spinach leaves wont spoil the taste, rather it will give the curry a nice green color. Heat will only come from green chilies that's why there is no use of dry red chilies in this recipe. It's a delicious curry and best for summer days. Do try this in your kitchen and let me know how it turned out for you.