1. Wash the potatoes and peel them.
2. Cut the potatoes into slices and put them on the plate.
3. Put the potato chips in a steamer and steam them.
4. Crush the potato chips.
5. Add a little cooking oil.
6. Add a little salt.
7. Add a little more ground pepper.
8. Stir evenly and continue rolling into a fine mud.
9. Put the mashed potatoes into the piping bag.
10. Preheat the oven and prepare to squeeze the mashed potatoes.
11. Spread a layer of greased paper on a baking tray and squeeze out cookie-shaped mashed potatoes evenly.
12. Put the mashed potatoes in the preheated oven.
13. Bake at 180 degrees for about ten minutes, because the mashed potatoes are already cooked, and the main reason for baking is to dry the moisture.
14. You can eat it after baking it out and let it cool.
15. It can be served with tomato sauce.
