Sweet Potato Fries in the Air Fryer
Ready in about 26 minutes.
Published by the RecipeAirFryer editorial team · How we source times · Updated
Times and temperatures come from our reviewed cooking database. Explanatory text on each page is generated from that entry so the numbers stay consistent.
Cook sweet potato fries in an air fryer at 190°C / 375°F for 15-18 minutes, shaking every 5 minutes, until the edges are crisp.
Written for 4. Cook in batches rather than stacking if you scale up.
Ingredients
- 700 g sweet potatoes, cut into fries
- 1 tbsp olive oil
- 1 tbsp cornflour
- 1 tsp salt
- 1/2 tsp smoked paprika
- 1/4 tsp black pepper
Method
- 1Toss the fries with the cornflour first, then the oil and seasonings.
- 2Preheat the air fryer to 190°C / 375°F.
- 3Arrange in a single layer, working in batches if needed.
- 4Air fry for 15-18 minutes, shaking every 5 minutes, until crisp.
- 5Serve immediately while hot and crunchy.
Tips for the best results
- Sweet, crisp-edged sweet potato fries with a hint of smoky spice. A little cornflour helps them crisp up beautifully.
- The cornflour is the trick to crispy sweet potato fries.
- Do not overcrowd or they will go soft.
Common mistakes to avoid
- Crowding the basket so air fryer sweet potato fries steams instead of browning.
- Skipping the shake every 5 min, which leaves one side pale.
- Letting wet coating pieces touch, which peels the crust and keeps it soggy.
Frequently Asked Questions
How long to cook sweet potatoes in an air fryer?
Fries take 15-18 minutes at 190°C / 375°F. A whole sweet potato takes 25-35 minutes at 200°C / 400°F. Shake or turn so every side browns.
What temperature and time for air fryer sweet potato fries?
A typical starting point is 190°C / 375°F for 15-18 min, shake every 5 min. Thickness and wattage change the finish, so check early.
Can I make air fryer sweet potato fries ahead?
Cook it, cool it quickly, and refrigerate. Reheat in the air fryer at a slightly lower temperature so the outside does not dry before the middle is hot.
How many people does air fryer sweet potato fries serve?
This recipe is written for 4. For a fuller basket, cook in batches rather than stacking, or add a couple of minutes and shake more often.