Preheat the oven to 350 degrees. Season the shanks with kosher salt and pepper. Heat the olive oil in a braising pot and brown the shanks, over medium to high heat, on all sides, about 10 minutes. Be sure to stand the shanks on the edges to brown all sides. Remove the shanks and cook and stir the onion and garlic, over medium heat, until lightly softened, about 5 minutes. Add the spices, tomato paste, wine and stock. Stir over medium heat for 5 minutes. Add the shanks to the pot cover and roast at 350 degrees for 2 hours. Check the shanks every 30 minutes, turning them over in the sauce each time you check and admire them. While the lamb cooks, Process the pomegranate seeds if starting from scratch (see feedback), otherwise take a well deserved break.