Mutton has been one of my favorite proteins, just for its taste. A perfectly cooked mutton curry can make your meals so delectable. I've a number of mutton curries picked up from different parts of India and I'm sure you would love them. Try Kosha Mangsho from Bengal or Chettinad Mutton Curry from Tamil Nadu or get a taste of Railway Mutton Curry served in the trains.
Here are so many of them to try. You might also be interest in trying out some chicken curries.