Mutton Kasha is a traditional bengali recipe, but its available in other part of india.Kosha Mangsho is kosha Mutton recipe is slow cooked recipe and mouthwatering.U can join me on Social Media : Instagram :https://www.instagram.com/sensalankarahttps://www.instagram.com/salankarasenFacebook : https://m.facebook.com/rheaskitchendelight/?ref=bookmarks