You can make homemade potato chips by thinly slicing potatoes and then deep frying the thin slices of potatoes in oil and then salting or seasoning them as you would like.
Potato chips can also be baked after thinly cutting them as well.
Before frying the sliced potatoes to make potato chips you should soak the sliced potatoes in some cold water for 30 minutes to get rid of excess starch and help the potato chips become crisp and prevent them from also turning brown.
Most commercially made potato chips are made from real potatoes which are thinly sliced and then fried.
Although some brands of potato chips like Pringles potato chips use a dough made from a mixture of some dehydrated potatoes and other ingredients such as corn flour and starch, which means that chips like Pringles contain a smaller percentage of real potatoes and are not really considered to be true potato chips.
Most other potato chips including Lay's potato chips are made from whole, raw potatoes which are sliced very thin.
After the potatoes are sliced very thin, the slices of potatoes are ten fried in oil and seasoned and packed.
Brands of potato chips like Lay's potato chips are made from real whole potatoes which are sliced and then fried and packaged.
Even Clover Valley ripple cut potato chips are made from real potatoes that are cut thinly and sliced.
Frito Lay potato chips are also made out of real potatoes.