This recipe is for Chettinad Mutton Curry from southern India. It contains mutton or lamb simmered in a rich, complex spice mixture. The spices include a homemade Chettinad spice powder made by dry roasting and grinding coriander, cinnamon, fennel, peppercorns, cumin, cardamom, and star anise. A coconut masala is also prepared by grinding coconut and fennel. The mutton is cooked with onions, ginger-garlic paste, tomatoes, salt, turmeric and the spice powders. It is simmered until the oil separates, producing a flavorful curry.