AirFryerCookbook

Air Fryer Sweet Potato Fries (Vegan, Gluten-Free)

Crisp-edged, tender-centered sweet potato fries with nothing but oil and salt — vegan, gluten-free, and the honest whole-food side everyone fights over.

Prep
10m
Cook
18m
Total
28m
Serves
4
Level
Easy
Temp
380°F
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By Air Fryer Cookbook Team · Jun 3, 2026

Air Fryer Sweet Potato Fries (Vegan, Gluten-Free)
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Let's be clear-eyed about sweet potato fries: they are notoriously, almost comically hard to get crisp. The same sugars that make them delicious are the ones that want to burn and weep, and the high moisture inside fights the crust every step of the way. Restaurants cheat with a coating and a deep fryer at a temperature your home oven can't safely hold. So if you've made limp, sad sweet potato fries before, the fault was never yours — the vegetable is just stubborn.

The air fryer doesn't magically fix physics, and I won't tell you these come out exactly like a fryer's. But two whole-food moves get you genuinely close: a soak to pull out surface starch, and a light dusting of cornstarch to build a thin shell that shatters. Beyond that it's just oil, salt, and a little smoke from the paprika — a side made of food you can name, which is the whole point around here. The non-negotiable rule is space. Pile them deep and they steam each other into mush; give them a single roomy layer and they brown.

Cook them in the air fryer we lean on for vegetables and shake the basket often — movement is what gets every side browned.

The Recipe

Air Fryer Sweet Potato Fries (Vegan, Gluten-Free)

28m · Serves 4 · Easy · Cosori 5.8qt

Free from Gluten · Dairy · Tree nuts · Egg · Soy · Sesame · Peanuts · Fish · ShellfishAllergen info →

Ingredients

Serves
4
  • 2large sweet potatoes — peeled, cut into 1/4-inch sticks
  • 1 tbspcornstarch — or arrowroot
  • 1½ tbspolive oil
  • ¾ tspfine sea salt
  • ½ tspsmoked paprika
  • ¼ tspgarlic powder

Method

  1. 01

    Cut the sweet potatoes into even quarter-inch sticks. Soak them in cold water for 15 minutes if you have time, then drain and dry them very well — pulling out surface starch is the secret to fries that crisp instead of steam.

  2. 02

    Toss the dried sticks with the cornstarch first, then the oil, paprika, garlic powder, and salt. The cornstarch is what gives you a crackly shell over a soft center.

  3. 03

    Air fry at 380°F for 18 minutes, shaking the basket two or three times, until the edges are browned and crisp. Work in batches so they're never piled deep — crowding is the only real enemy here.

  4. 04

    Tip onto a plate and salt again while hot. Sweet potato fries go soft quickly, so this is a serve-now situation.

Nutrition · per serving

180 cal / 3g protein / 6g fat / 30g carbs

Estimated. Values vary by brand and portion.

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Good to know

Common questions

How long do you cook sweet potato fries in the air fryer and at what temperature?
Air fry the quarter-inch sticks at 380°F for 18 minutes, shaking the basket two or three times, until the edges are browned and crisp. Salt them again while hot and serve right away.
Why are my air fryer sweet potato fries soggy and not crispy?
Sweet potatoes are stubborn: high moisture and sugar fight the crust. Soak the cut sticks 15 minutes to pull out surface starch, dry them very well, and dust with cornstarch for a shell that shatters. Above all, don't crowd the basket, or they steam into mush.
Why do you put cornstarch on sweet potato fries?
The cornstarch builds a thin shell that crisps into a crackly crust over the soft center. Toss the dried sticks with cornstarch first, then the oil and seasonings, so every stick gets an even coat.
Can you cook sweet potato fries in a single batch in the air fryer?
Only if they fit in a single roomy layer. Crowding is the one real enemy here, so work in batches and never pile the fries deep, since a heaped basket steams them soft instead of browning them.

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