I don't believe that McDonald's fries are made from ground potato product. Based on your comment I did some reading, and didn't find any references supporting y

I don't believe that McDonald's fries are made from ground potato product. Based on your comment I did some reading, and didn't find any references supporting your claim, but did find some recent articles that describe McDonald's using high speed water to force potatoes through a cutting device [1]. [1]: https://www.mashed.com/159904/this-is-how-mcdonalds-french-fries-are-really-made/ https://www.mashed.com/159904/this-is-how-mcdonalds-french-f...