Great Seared Tuna 3 tablespoons ground cinnamon 3 tablespoons ancho chili powder 3 tablespoons pasilla chili powder 3 tablespoons ground cumin 3 tablespoons ground coriander 3 tablespoons ground ginger 1 tablespoon ground cloves 1 tablespoon ground fennel seed 2 tablespoons garlic powder 2 tablespoons onion powder 1 tablespoon allspice 1 teaspoon chile de arbol 3 tablespoons brown sugar 2 tablespoons kosher salt 2 tablespoons coarsely ground black pepper 1 teaspoon cayenne pepper 4 (6-ounce) tuna steaks 2 tablespoons canola oil Combine all of the spices in a bowl. Rub sides of each tuna steak with some of the rub. Heat oil in a large pan over high heat. Place the tuna in the pan, rub-side down, and cook until golden brown and the spices have formed a crust, about 2 minutes. Turn over and continue cooking for 1 to 2 minutes for rare doneness.