If you are referring to grease-resistant fry paper used in restaurants, it is manufactured through a specific process to handle heat and oil.
Cut yellow paper into small rectangles and fold them in half to form the fries. If you are referring to grease-resistant fry paper
These papers can be branded with logos and designs, serving as a functional, branded barrier for food service. To make sure I'm giving you the right info, are you: Crafting a paper project with kids? Looking for packaging materials for a food business? serving as a functional
For a visual guide, you can watch this YouTube tutorial on making origami French fries. If you are referring to grease-resistant fry paper