1 Season lamb with salt and pepper, one-half the cumin and one-half the coriander. 2 Meanwhile, heat large skillet with olive oil until smoking.3 Carefully add lamb and sear evenly until golden; drain and reserve. 4 To the pan, add garlic, onions, carrots, remaining cumin, coriander and curry. Cook until fragrant. 5 Then add tomatoes, paste, brown sugar, bay leaves, cinnamon, chicken and lamb stock. Transfer everything into a large pot and bring to a simmer.6 While simmering adjust the salt, pepper and brown sugar to taste. 7 Add the lamb, cover tightly and place in preheated 300°F oven. Cook slowly until lamb is tender, about 2 hours. Serve hot with steamed couscous and California raisins.