Steps:
1. Prepare 250g of beef. Beef is best served with tenderloin. You can ask the stall to cut it for you, or you can go home and cut it yourself. Be sure to cut against the grain and cut into thin slices.
2. Prepare a piece of ginger and an onion, clean them, cut them and put them into a bowl, then add a proper amount of warm water to turn the onion ginger into an onion Jiang Shui, and let it stand for about 10 minute.
3. Time is up, pour onion, ginger and garlic into beef. Note that there is only water, no onions and ginger. Start to "massage" the beef, knead it for about one minute, and then knead the onion and Jiang Shui into the beef. This will remove the fishy smell and eliminate the need for cooking wine.
4. Then start adding seasonings. Use this ordinary eating spoon, add half a spoonful of salt, half a spoonful of oyster sauce, half a spoonful of soy sauce, half a spoonful of sugar and a little pepper, and stir well.
5. Prepare a small bowl, add 2 tablespoons of starch, melt it with a small amount of water, pour it into the beef, and knead it evenly to form a layer of slurry on the surface of the beef and wrap it.
6. Finally, pour a spoonful of vegetable oil, firmly lock the surface moisture of beef to prevent water loss, grab and mix for a while, cover with a layer of plastic wrap, and marinate for 15 minutes. Beef is tender, crisp and delicious. You can fry it in the pan without adding other seasonings. Just add salt according to the amount of side dishes.
The above contents refer to Baidu Encyclopedia-Salted Beef.