2. The next day, fry the beef in the oil pan.
3. stir fry with a shovel until there is no water.
4. After frying, put it in a plate for later use.
5. Then put the beef on the baking tray covered with tin foil with chopsticks, and roll it up slightly around the baking tray to prevent oil from leaking to the baking tray.
6. Then put it in the oven for 2 10 minutes 10 minutes, sprinkle some mutton skewers and stir well.