but it's less than you'd get if you added a pat of butter to a 'healthy' baked potato. You also have the advantage that the fat added to oven chips is almost invariably sunflower oil which is high ...
Bake for about 1 hour 30 minutes to 1 hour 45 minutes, flipping the chips halfway through to ensure even cooking. Check every 10 minutes during the second hour to ensure they do not burn.