Wash beef tendon and cut into pieces, add water to boil, then soak beef tendon in cold water for about 30 minutes. Cinnamon, star anise and other accessories are put into the casserole together with beef tendon, and then soy sauce, soy sauce and rock sugar are added in turn. After the fire boils, turn to low heat and simmer for an hour and a half. Finally, put on a plate, sprinkle with shallots, and a delicious sauce beef is finished.