Wash the beef first, and then pat it to thicken the taste. Then cut the beef into pieces or strips, or break it into pieces. Beef is marinated for more than 6 hours with thirteen spices, five spices powder, cooking wine and barbecue powder. It can be pickled in the refrigerator. Then, mix beef sauce and prepare it with Jiang Mo, beef sauce, salt, cumin powder, salt and sesame. After curing, the oven is preheated for 10 minute, and the oven is heated at 220℃. Bake it for about 30 minutes and brush the beef sauce for 20 minutes. Finally, sprinkle the beef with Chili powder and sesame seeds. The beef that comes out like this is really tender outside.