Method

  1. Preheat the air fryer to 400°F for 3 to 4 minutes. A hot basket from the start is most of what makes these crisp instead of steamed.
  2. Tip the frozen fries straight into the basket, no thawing, no oil needed if the bag already lists oil in the ingredients. If you want extra crunch, toss the fries with the teaspoon of oil first.
  3. Spread the fries into a single, loose layer. Don't crowd them or pile them deep, a crowded basket traps steam and you'll get pale, limp fries no matter how long you cook them. Work in two batches if your basket is small.
  4. Air fryer: 400°F, 16 minutes total, shaking the basket at the 8-minute mark. Pull the basket out, give it a firm shake or toss with tongs, then slide it back in.
  5. At the 12-minute mark, check on them. Thin shoestring fries can be done as early as 12 to 14 minutes, thick steak-cut fries may need 18 to 20. Look for fries that are deep golden at the edges and firm when you press one with tongs.
  6. Once they're as crisp as you like, tip them into a bowl and season immediately with salt while they're hot, plus garlic powder and paprika if using. Seasoning sticks better to hot, slightly oily fries than cold ones.
  7. Serve right away. Fries left sitting in a covered bowl will soften fast from their own steam.

Tips

  • Don't crowd the basket. If the bag is more than about a pound, cook in two batches rather than one tall pile, it's the single biggest fix for soggy air fryer fries.
  • Skip the oil if your fries are the kind pre-coated at the factory (check the bag), extra oil on top can make them greasy instead of crisper.
  • Shake or toss at least once, twice if you have a small basket, so the fries that were touching the bottom get their turn near the heating element.
  • Every air fryer model runs a little differently. Start checking at the low end of the time range and adjust up or down by a minute or two next time you make the same bag.

FAQ

Do I need to add oil? Most bagged frozen fries already carry oil from processing, so you can go straight into the basket with no added oil and still get crisp results. A light extra teaspoon of oil is optional if you want more color and crunch.

Can I air fry two bags at once? You can, but do it in batches instead of piling both bags into the basket together. A packed basket blocks airflow and the fries at the center end up soft and pale.

Why did my fries turn out soggy? Usually it's overcrowding or skipping the shake. A thin, loose layer with at least one mid-cook shake gives the hot air room to crisp every side.

Does this work for sweet potato fries or waffle fries? Yes, the same 400°F setting works well, though sweet potato fries can brown faster since they have more natural sugar, so start checking a couple minutes early.

Are frozen fries vegan or gluten-free? Most plain frozen fries are made from potato, oil, and salt, but always check the bag, since some seasoned varieties add dairy or wheat-based coatings.