Oven Potato Chips from Provida Body Makeover Specialist - AL Preheat oven to 450 degrees. Use a non-stick cookie sheet or a cookie sheet sprayed with non-stick spray. Scrub potatoes (estimate one per person) and slice very thin. Place potato slices, one later thick only, onto cookie sheet. Sprinkle with garlic powder and paprika. If you like it "hot", add some chili powder. Bake about 5 minutes, turn potatoes and cook until done.