40 to 50 minutes. Spread tin foil on the baking tray, brush it with olive oil, and put the French fries on the baking tray wrapped in tin foil. This step is to cook the French fries and heat them at 220 degrees for about 20 minutes. Then open the tin foil, brush it with a layer of olive oil, and add pepper and salt according to your own taste. Heat it up and down at 220 degrees, bake it for about 10 minute, then take it out, turn it over once and put it in the oven for about 10 minute.

About 40-50 minutes.

1, spread tin foil on the baking tray, brush a layer of olive oil, wrap the French fries in tin foil and put them on the baking tray. This step is to cook the French fries and heat them at 220 degrees for about 20 minutes.

2. Then open the tin foil, brush with a layer of olive oil, and add pepper and salt according to your own taste.

3, fire up and down 220 degrees, bake 10 minutes, then take it out and turn it once, then put it in the oven for about ten minutes.