1. Wash tenderloin
2. Change the knife to cut strips
3. Add the egg white and water starch and stir well
4. Fry in the frying pan until golden brown and remove
5. Drain the oil
6. Leave a little oil in the wok, pour in the cashews and fry until golden on both sides
7. Put it together with the meat strips
8. Add sugar and a little water to the tomato sauce to make it sweet and sour.
9. Put a little oil in the wok and heat it up, pour in the sweet and sour sauce and stir well, then pour in the tenderloin and cashew nuts and stir evenly
10. Sprinkle in the cooked sesame seeds and stir-fry evenly out of the pan
11. Served on a plate, sweet and sour, with cashew nuts and ripe sesame seeds for a more delicious taste
