The square clock is a delicious dish. The main ingredients are pig's ears, onion ginger, cooking wine, salt, star anise, cinnamon, fragrant leaves, fennel, tsaoko, pepper, ginger and garlic, sugar, monosodium glutamate, soy sauce, soy sauce and so on. Made into red oil ears or pickled pig ears, it tastes super good, and many people like this delicious food.