1. First, you need to go to the market to buy some potatoes and prepare three big potatoes. Peel off the potatoes. It is recommended to rinse them before peeling them.

2. Then cut the potato into long strips. If you don't like this shape, you can cut it into a round shape similar to potato chips, which is also ok, according to your own taste.

3. Put a proper amount of water in the pot. When the water boils, put the potatoes in the pot and cook for about one minute. After that, take out the potato chips, control the water and add the right amount of starch. Let the starch spread evenly on the potato chips.

4. Put the right amount of oil in the pan. When it becomes hot, put the potatoes in the oil pan and fry them. You can take it out when it is fried golden and crisp.

5. At this time, you can prepare some ketchup. It is suggested that you can buy ketchup in other places, which will be more convenient, or you can make ketchup yourself at home, but this is a little troublesome.

6. Prepare a small dish, a small dish, and put a proper amount of tomato sauce or salad dressing in it to choose according to your own taste.