1. Ingredients: beef tenderloin (400g); seasonings: salt (appropriate amount), light soy sauce (20g), soy sauce (20g), vegetable oil (10g), oyster sauce (30g) , cooking wine (10 grams), white sugar (10 grams), white sesame seeds (appropriate amount).

2. Wash the fresh beef tenderloin and cut into pieces of about 3 cm.

3. Add all seasonings except white sesame seeds to the meat basin.

4. Stir evenly, fully incorporate the flavor, and refrigerate for about two hours before use.

5. Sprinkle a handful of white sesame seeds before baking, and do not turn the meat.

6. Preheat the air fryer in advance to 200 degrees for 5 minutes. Put the beef pieces into the frying basket in two batches and bake them; set the temperature to 200 degrees for 20 minutes each time.

7. When baking for about 14 minutes, pull out the frying basket, turn the meat over, and continue to finish the remaining few minutes.