Material preparation: beef, tomato, chopped green onion, ginger, salt, corn oil, corn starch, Laoganma, soy sauce, etc.
1. Slice the beef against the grain, marinate it with corn starch, soy sauce, salt, a teaspoon of Laoganma, shredded ginger for half an hour, mince chopped green onion, and cut tomatoes into pieces.
2. Cook the oil pan until it is half cooked, pour in the corn oil, stir-fry the chopped green onion over high fire, and the ginger gives off a fragrance.
3. Pour in the beef, stir-fry it quickly until it is half cooked, and remove it for use.
4, leave the bottom oil in the pot, pour in the tomatoes and add a little salt, stir fry for two minutes.
5. Quickly pour in beef and tomatoes and stir fry for one minute.
6. Remove the plate. Decorate with chopped green onion.