Fries look okay but pretty poor to be honest. I’m going to give you some weird temperatures because you are making schnitzel so I’m assuming you use Celsius, I’ll convert for you. First off as soon a you cut your potatoes throw them in water and gently agitate them for a minutes at least, next step dry them and then fry them at 162.7 degrees for 2 minutes. Allow to cool for a couple minutes and then throw them into a freezer. After at least an hour fry at 162.7 until golden brown.