Want to achieve crispy perfection with frozen French fries in an air fryer? Follow these 4 simple rules! First, preheat the air fryer (optional but recommended) and lightly spritz with oil. Next, load the basket in a single layer without overcrowding. Shake the basket halfway through cooking time for even browning. Finally, cook at 400°F for 15-20 minutes. Voilà!

Source: https://www.cnet.com/how-to/4-rules-for-making-perfect-frozen-french-fries-in-an-air-fryer/#ftag=CAD590a51e