Sweet potato fries that actually turn out crispy? Yes, please. The air fryer makes it easy to get golden edges and tender centers without a deep fryer or a long oven preheat.
These fries make a great side for burgers, salads, or a quick snack with your favorite dip. You’ll pick up a few tricks here to stop soggy fries for good and get consistent results every time. If you love easy, cozy brunch ideas too, try pairing these with this make-ahead favorite: Make Ahead Savory Brunch Egg Bake.
For a fun snack to serve alongside, you might also like these creamy scoops: High Protein Brownie Batter Dip.
Air Fryer Sweet Potato Fries - Crispy, Golden, and So Simple
Ingredients
Method
- Prep the potatoes: Peel if you prefer, or leave the skin on for extra texture. Cut into 1/4-inch matchsticks.Keep the pieces as even as possible.
- Soak and dry: Place fries in cold water for 20–30 minutes to remove excess starch. Drain, then pat very dry with kitchen towels. Dry fries equal crisp fries.
- Preheat the air fryer: Set to 380°F (193°C) for at least 3 minutes so the basket is hot.
- Coat with cornstarch: Toss dry fries with cornstarch until lightly dusted.Shake off excess. This helps with browning and crunch.
- Add oil and seasoning: Drizzle with oil and toss. Mix salt, pepper, smoked paprika, garlic powder, onion powder, and cayenne (if using).Sprinkle over fries and toss again to coat evenly.
- Arrange in the basket: Add fries in a single layer with a little space between. Do not overcrowd. Cook in batches if needed.
- Air fry: Cook at 380°F for 12–16 minutes, shaking the basket halfway. Start checking at 10 minutes.Fries should be deep golden with crisp edges.
- Finish and serve: Taste and add a pinch more salt while hot. Serve with your favorite dip.
What Makes This Special
Sweet potatoes love dry heat, and the air fryer brings that crisp factor fast. You’ll use just enough oil to coat, then a simple blend of spices to balance the natural sweetness. The keys here are the fry size, soaking, and spacing on the tray.
With a few smart steps, you’ll get fries that are crispy on the outside and fluffy inside. Bonus: they cook in about 12–16 minutes.
Shopping List
- 2 medium sweet potatoes (about 1.5 pounds total)
- 1.5 tablespoons avocado oil or olive oil
- 1 tablespoon cornstarch (or arrowroot)
- 1 teaspoon kosher salt, plus more to taste
- 1/2 teaspoon black pepper
- 1/2 teaspoon smoked paprika
- 1/2 teaspoon garlic powder
- 1/4 teaspoon onion powder
- Optional: 1/8 teaspoon cayenne for heat
- Optional dips: ketchup, chipotle mayo, ranch, or honey mustard
Step-by-Step Instructions
- Prep the potatoes: Peel if you prefer, or leave the skin on for extra texture. Cut into 1/4-inch matchsticks.
Keep the pieces as even as possible.
- Soak and dry: Place fries in cold water for 20–30 minutes to remove excess starch. Drain, then pat very dry with kitchen towels. Dry fries equal crisp fries.
- Preheat the air fryer: Set to 380°F (193°C) for at least 3 minutes so the basket is hot.
- Coat with cornstarch: Toss dry fries with cornstarch until lightly dusted.
Shake off excess. This helps with browning and crunch.
- Add oil and seasoning: Drizzle with oil and toss. Mix salt, pepper, smoked paprika, garlic powder, onion powder, and cayenne (if using).
Sprinkle over fries and toss again to coat evenly.
- Arrange in the basket: Add fries in a single layer with a little space between. Do not overcrowd. Cook in batches if needed.
- Air fry: Cook at 380°F for 12–16 minutes, shaking the basket halfway. Start checking at 10 minutes.
Fries should be deep golden with crisp edges.
- Finish and serve: Taste and add a pinch more salt while hot. Serve with your favorite dip.
Storage Instructions
Leftovers keep well for 3–4 days in an airtight container in the fridge. Reheat in the air fryer at 360°F for 3–5 minutes until hot and crisp.
Avoid the microwave unless you’re okay with softer fries. For make-ahead, cut and soak fries up to 24 hours in the fridge; dry thoroughly before cooking.
Benefits of This Recipe
– Faster than oven fries: Crisp results in under 20 minutes. – Less oil, big crunch: Air frying keeps things lighter without sacrificing texture. – Flexible flavors: The base seasoning is simple, so you can go sweet, smoky, or spicy. – Meal-prep friendly: Prep the fries ahead and cook to order.
What Not to Do
– Don’t skip drying after soaking. Moisture is the enemy of crisp. – Don’t overcrowd the basket.
Crowding steams the fries. Cook in batches. – Don’t cut too thick unless you plan to increase cook time. Thick wedges need longer and can burn on the edges before the centers soften. – Don’t add too much oil. A light coating is enough for browning and flavor.
Variations You Can Try
– Sweet and Cinnamon: Toss hot fries with a little coconut sugar and cinnamon.
Pair with vanilla yogurt dip. For more sweet snack inspo, check out these creamy cups: Cottage Cheese Cheesecake Cups. – Parmesan Herb: After cooking, toss with finely grated Parmesan, minced parsley, and lemon zest. – Smoky Chipotle Lime: Add chipotle powder to the seasoning and finish with lime juice and chopped cilantro. – Garlic Ranch: Mix dry ranch seasoning into the spice blend, then serve with ranch dip. – Game-Day Platter: Serve with other high-protein bites for a party spread like these no-bake treats: Freshii Copycat Energy Balls and these bright, zesty nibbles: No Bake Lemon Protein Bites.
Can I make these without cornstarch?
Yes. They’ll still crisp, but cornstarch adds a thin, crunchy shell.
Arrowroot or potato starch works similarly. If skipping starch entirely, make sure your fries are very dry and don’t skimp on preheating or spacing.
Why are my fries still soft?
Usually it’s moisture or crowding. Dry the fries thoroughly, coat lightly in oil, and cook in a single layer.
Add a few extra minutes and shake the basket to promote even browning.
Do I need to peel the sweet potatoes?
No. The skin adds texture and nutrients. Just scrub well.
Peel only if you prefer a smoother bite.
What’s the best cut size?
Aim for 1/4-inch thick matchsticks. Thicker fries take longer and may brown outside before softening inside. Keep pieces uniform for even cooking.
Can I double the recipe?
Yes, but cook in batches.
Keep cooked fries on a sheet pan in a 200°F oven if you want to serve everything hot at once.
Final Thoughts
Air Fryer Sweet Potato Fries are the kind of side that disappears fast—crisp, golden, and full of flavor with hardly any fuss. Keep the fries thin and dry, don’t crowd the basket, and you’ll get that perfect crunch every time. If you’re planning a casual brunch or weeknight dinner, they pair well with fresh, bright mains like this Mediterranean Vegetable Soup or a cozy pasta like Olive Oil Garlic Whole Wheat Pasta.
Happy cooking—and enjoy the crunch.
