1. Cut the steak into two or three centimeters square pieces and put them in a bowl for later use.

2. Add two teaspoons of oyster sauce, one teaspoon of garlic powder and one teaspoon of onion powder, sprinkle a layer of oregano leaves and sweet pepper powder on the surface, then sprinkle some black pepper according to your own taste and stir it a little.

3. Put the beef pieces into a self-sealed bag, drop a few drops of lemon juice and add 2 tablespoons of soy sauce.

4. Rub it a little, then pour in a little cooking oil, seal it, massage it, and then marinate it in the refrigerator for about 30 minutes.

5. Preheat the air fryer at 200 degrees for 3 minutes and spray some cooking oil into the frying basket.

6. Divide the beef pieces into the frying basket, giving priority to non-adhesion and spraying a little cooking oil.

7. Set the temperature of the air fryer to 200 degrees and bake for seven minutes.