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Air Fryer Sweet Potato Fries Recipe
Ash Tyrrell

Air Fryer Sweet Potato Fries Recipe

I make these crispy air fryer sweet potato fries at least once a week now, and I honestly don't miss deep frying at all. The first time I pulled a batch out of the basket, I couldn't believe how golden and snackable they turned out with barely any oil.
Prep Time 10 minutes
Cook Time 14 minutes
Servings: 2

Ingredients
  

  • 2 large sweet potatoes – choose firm ones with smooth skin so they slice evenly
  • 1 tablespoon olive oil – just enough to help the seasoning stick without making them greasy
  • 1 teaspoon cornstarch – this is my trick for extra crispy air fryer sweet potato fries with a light crunch
  • 1/2 teaspoon salt – adjust to taste once they're out of the basket
  • 1/2 teaspoon garlic powder – adds savory depth without overpowering the sweetness
  • 1/4 teaspoon smoked paprika – gives the fries a warm color and mild smoky note
  • 1/8 teaspoon black pepper – a small touch of heat that balances the sweetness

Method
 

  1. I start by peeling both sweet potatoes and trimming off the ends. Then I cut them into even sticks, about a quarter inch thick, since thinner pieces crisp up faster and more evenly. Keeping the sizes consistent really matters here, because uneven pieces cook at different speeds and you'll end up with some soft and some overdone.
  2. I add the sliced potatoes to a large bowl and sprinkle the cornstarch over them first, tossing well before adding any oil. This little step is what makes sweet potato fries air fryer cornstarch coatings so effective at creating extra crunch. Once they're lightly dusted, I drizzle in the olive oil and toss again until every piece looks coated.
  3. Next, I sprinkle on the salt, garlic powder, smoked paprika, and black pepper directly into the bowl. I use my hands to toss everything together so the spices reach every fry, not just the ones on top. This step takes maybe thirty seconds but makes a big difference in flavor.
  4. I spread the fries out in a single layer in the basket, making sure none of them overlap. This is the sweet potato fries air fryer temperature and spacing combination that actually determines whether they crisp or steam, so I never skip it. If my batch is too big, I just cook it in two rounds.
  5. I set my air fryer to 380°F and cook the fries for about 14 minutes, shaking the basket halfway through. This answers the common question of how long to cook sweet potato fries in air fryer models, though I always keep an eye on the last few minutes since every machine runs a little differently.
  6. Once they're golden and crisp on the edges, I pull them out right away and serve them hot. Sweet potato fries lose some of their crunch the longer they sit, so I like to plate them as soon as the timer goes off.

Notes

  • I always preheat my air fryer for a couple of minutes before adding the fries, since starting cold seems to make them a bit soggier.
  • I cut my fries slightly thinner than I think I need to, because thin pieces get noticeably crispier than thick wedges.
  • I never skip the cornstarch step, since it's the easiest way to boost crunch without adding more oil.
  • I shake the basket at least once, sometimes twice, for batches that seem stubborn about browning evenly.
  • I keep a wire rack in a low oven to hold finished batches warm while I cook the rest, so nothing gets soggy waiting around.