These crispy air fryer sweet potato fries deliver the perfect balance of healthy and indulgent – ready in just 15 minutes! Golden-brown on the outside, tender on the inside, they’re a nutritious twist on regular fries that doesn’t sacrifice flavor. With only 165 calories per serving and packed with vitamin A, these fries make an ideal side dish or guilt-free snack. The air fryer works its magic to create that coveted crunch without excessive oil.
Ingredient List

- Sweet Potato: 1 medium, peeled and cut into thin 1/4″ slices for optimal crispiness
- Seasonings: 1/2 tsp salt, 1/8 tsp garlic powder, 1/8 tsp cayenne, 1/2 tsp cinnamon
- Cornstarch: 1 tsp, helps achieve a crispy exterior
- Oil: 1 Tablespoon (olive, canola or avocado oil), for perfect golden finish
Cooking Instructions
- Season Preparation: Combine salt, garlic powder, cayenne pepper, cinnamon, and cornstarch in a small bowl until well mixed
- Coating Process: Place sweet potato slices in a shallow dish, sprinkle seasoning mixture evenly, and toss until well coated
- Oil Addition: Drizzle oil over seasoned potatoes and toss gently to ensure even coating
- Air Frying: Preheat air fryer to 400°F, arrange potato slices and cook for 10-12 minutes, checking frequently after the 10-minute mark
- Final Check: Ensure fries are golden brown and crispy on the outside, yet tender inside
Cooking Techniques
Getting crispy sweet potato fries in an air fryer is all about the prep! The cornstarch coating is your secret weapon – it helps create that amazing crunch we all love. When cutting your sweet potatoes, try to keep the slices as even as possible at 1/4 inch thick. This helps them cook at the same rate and gives you that perfect crispy-outside, soft-inside texture.
Variations
Love playing with flavors? You can easily switch up the seasoning blend! Try these tasty combinations:
- Swap the cinnamon for smoked paprika for a smoky kick
- Add a pinch of brown sugar for sweet and spicy fries
- Replace the seasonings with Italian herbs and parmesan for a savory twist
- Use chili powder instead of cayenne for milder heat
Serving Suggestions
These crispy sweet potato fries make an amazing side dish! They’re perfect alongside burgers, sandwiches, or grilled proteins. For dipping, try:
- Spicy mayo (mix mayo with a dash of hot sauce)
- Honey mustard
- Ranch dressing
- Maple-cinnamon yogurt dip for a sweet option
Serve them hot right from the air fryer for the best crunch!
Storage Tips
Sweet potato fries are best eaten fresh, but if you have leftovers, store them in an airtight container in the fridge for up to 2 days. To reheat, pop them back in the air fryer at 350°F for 2-3 minutes – they’ll crisp right up! Avoid microwaving, as this will make them soggy.
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Air Fryer Sweet Potato Fries
Equipment
- Air Fryer
Ingredients
- 1 whole sweet potato peeled and cut into thin 1/4″ slices
- 1/2 tsp salt
- 1/8 tsp garlic powder
- 1/8 tsp cayenne
- 1/2 tsp cinnamon
- 1 tsp cornstarch
- 1 Tbs oil olive, canola or avocado oil
Instructions
- Mix salt, garlic powder, cayenne pepper, cinnamon, and cornstarch in a small bowl.
- Place sweet potato slices in a shallow dish and sprinkle seasonings over top. Toss well, covering potatoes in seasoning.
- Add oil and toss well.
- Preheat fryer at 400, once it’s hot, cook whole batch for 10 minutes, checking every minute after that (mine took 12 minutes*).