James Martin's luxurious slow-cooked curry will show you a whole new side to mutton, an economical and oft-overlooked ingredient. For the mutton curry marinade, place the mutton into a large bowl ...

2. Add plain yogurt to the pan and fry till onions turn brown. 3. Add freshly cut tomatoes and cook items till they release their Rogan (the slight oil with water). 4. Add the mutton to the pan. 5.