These air fryer sweet potato fries come out crispy on the edges and soft in the middle, no deep fryer required. One bite and the oven version is retired for good.
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Why You’ll Love This Air Fryer Sweet Potato Fries
Convenience: The air fryer does the work in about 15 minutes, with no flipping a hot baking sheet halfway through.
Flavor: A light coating of cornstarch and simple spices gives these air fryer sweet potato fries a crisp shell that regular oven fries can’t match.
Practicality: They reheat well in the air fryer, so leftovers taste just as crisp the next day.
Ingredients for Air Fryer Sweet Potato Fries
- sweet potatoes (about 1.5 lbs), peeled and cut into 1/4-inch sticks (2 large): Cutting them evenly is the key to fries that cook at the same rate.
- olive oil (1 tbsp): Just enough to help the coating crisp without making the fries greasy.
- cornstarch (1 tbsp): This is the trick to a crispier fry — it soaks up surface moisture in the air fryer.
- garlic powder (1/2 tsp)
- smoked paprika (1/2 tsp): Adds a subtle smoky flavor; regular paprika works too.
- salt (1/2 tsp)
- black pepper (1/4 tsp)
How to Make Air Fryer Sweet Potato Fries
- Soak the fries. Place the cut sweet potatoes in a bowl of cold water and soak for 10 minutes to draw out excess starch, then drain and pat completely dry.
- Coat with cornstarch. Toss the dry sweet potato sticks with the cornstarch until lightly and evenly coated.
- Add oil and spices. Drizzle with olive oil and toss again, then sprinkle with garlic powder, smoked paprika, salt, and black pepper, tossing to coat.
- Air fry in batches. Arrange the fries in a single layer in the air fryer basket, without overlapping, working in batches if needed. Air fry at 380°F for 15-18 minutes, shaking the basket halfway through.
- Check for crispness. Fries are done when they’re golden and crisp on the edges; add 2-3 more minutes if you like them extra crispy.
- Serve immediately. Serve the air fryer sweet potato fries hot, with your favorite dipping sauce on the side.
Tips for Success
Don’t skip the soak. Soaking pulls out surface starch, which is what keeps these fries from turning soggy in the air fryer.
Never overcrowd the basket. This is the most common mistake — fries that overlap steam instead of crisping, so work in batches if your basket is small.
Cut them evenly. Aim for sticks that are all about 1/4-inch thick; uneven pieces mean some will burn before others finish cooking.
Variations
- Spicy version: Add 1/4 teaspoon cayenne pepper to the spice mix for a kick.
- Parmesan version: Toss the hot fries with 2 tablespoons of grated Parmesan right after air frying.
- Herb version: Swap the smoked paprika for 1 teaspoon of dried Italian herbs for a different flavor angle.
- Wedge cut: Cut the sweet potatoes into wedges instead of sticks and add 3-4 minutes to the cook time.
What to Serve With It
These fries are a natural side for our Sheet Pan Chicken and Veggies or any weeknight dinner that needs a quick, healthy side.
For a snack board, serve them warm next to Ranch Crispy Roasted Chickpeas and a simple yogurt dip.
FAQs
Do I really need to soak the sweet potatoes first? It’s not required, but soaking removes surface starch and noticeably improves crispness, so it’s worth the extra 10 minutes.
Can I make these without cornstarch? Yes, they’ll still taste great, just slightly less crisp. Arrowroot powder is a fine substitute if you have it.
How do I store and reheat leftovers? Store in the fridge for up to 3 days, then reheat in the air fryer at 380°F for 3-4 minutes to bring back the crisp texture.
Why did my fries turn out soggy? This almost always means the basket was overcrowded. Give the fries space to let hot air circulate on all sides.
Final Thoughts
Air fryer sweet potato fries are proof that a healthy side doesn’t have to be boring — a little cornstarch and the right temperature go a long way.
Once you’ve made a batch, they’re an easy habit to keep up for busy weeknights.
Air Fryer Sweet Potato Fries
Ingredients
- 2 large sweet potatoes (about 1.5 lbs), peeled and cut into 1/4-inch sticks
- 1 tbsp olive oil
- 1 tbsp cornstarch
- 1/2 tsp garlic powder
- 1/2 tsp smoked paprika
- 1/2 tsp salt
- 1/4 tsp black pepper
Instructions
- Soak the fries. Place the cut sweet potatoes in a bowl of cold water and soak for 10 minutes to draw out excess starch, then drain and pat completely dry.
- Coat with cornstarch. Toss the dry sweet potato sticks with the cornstarch until lightly and evenly coated.
- Add oil and spices. Drizzle with olive oil and toss again, then sprinkle with garlic powder, smoked paprika, salt, and black pepper, tossing to coat.
- Air fry in batches. Arrange the fries in a single layer in the air fryer basket, without overlapping, working in batches if needed. Air fry at 380°F for 15-18 minutes, shaking the basket halfway through.
- Check for crispness. Fries are done when they’re golden and crisp on the edges; add 2-3 more minutes if you like them extra crispy.
- Serve immediately. Serve the air fryer sweet potato fries hot, with your favorite dipping sauce on the side.