Put bean sprouts in a basin and wash them with clean water.
Slice meat.
Prepare onion and ginger.
Pour oil into a hot pan.
After the oil is heated, put a few Chinese prickly peppers and cut ginger slices.
Put the cut meat and stir fry it.
When the meat is uncolored, add the chopped green onion and stir fry it until it is fragrant.
Add the washed bean sprouts and stir fry them quickly.
Pour some vinegar, add salt, stir fry a little, and then put it on a plate.