2, practice: tin foil wrapped baking tray, no need to brush oil. Put the quick-frozen French fries directly on the baking tray without worrying about stacking them.
3. Preheat the oven to 230 degrees, put it in a baking tray and bake for 10 minutes, then adjust it to 180 degrees until the surface is brown.
4. If you like crispness, you can bake it for a while as appropriate. You can turn it over in the middle and bake it.