1. Prepare 1 tomato, 1 potato, and 1 ham.
2. Peel the potatoes and cut into thick slices.
3. Put the potato chips in a steamer and steam them.
4. Peel and chop tomatoes, chop ham, and mince spring onions.
5. Put the steamed potatoes in the fresh-keeping bag and use a rolling pin to press them into mashed potatoes.
6. Heat up the wok, add oil, and stir-fry the spring onions.
7. When the spring onions are fragrant, add tomatoes and stir fry.
8. Add appropriate amount of water and salt.
9. Add the mashed potatoes, stir well and cook for a while.
10. Add tomato paste and stir well.
11. Finally, add the ham and chicken essence, stir well, and cook for a while.
12. Sprinkle a small amount of black pepper out of the pot and add broccoli to garnish.
