1. Slice potatoes and blanch them in boiling water until they are 90% cooked.

2. Fish out and pass through cool water.

3. Tomatoes cut into thick slices.

4. Green onions cut into scallions.

5. Green pepper cut into slices.

6. Wok hot, add the right amount of oil, under the scallions burst incense.

7. Add green pepper slices and stir-fry.

8. Add the potato slices and stir-fry.

9. Season with pepper.

10. Add soy sauce.

11. Add tomatoes.

12. Season with salt and stir-fry well until the tomatoes are soft.

13. Out of the oven to plate.