Kosha Mangsho is a traditional Bengali dish made with tender pieces of mutton cooked in a rich and flavorful gravy. The dish is known for its deep, caramelized flavors and aromatic spices. The mutton is marinated in a mixture of yogurt, ginger, garlic, and spices, then slow-cooked until tender. The gravy is made with a blend of onions, tomatoes, and a variety of spices, giving it a thick and luscious texture. Kosha Mangsho is typically served with steamed rice or Indian breads like roti or paratha.