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A plate of air fryer sweet potato fries on a pink background.

Air Fryer Sweet Potato Fries

Course Side Dish
Cuisine American
Air Fryer Sweet Potato Fries have a perfectly crispy texture and are packed full of sweet  and savory flavor. Making delicious homemade sweet potato fries is easier than you might think, thanks to your air fryer. 
Prep Time 30 mins
Cook Time 10 mins
Total Time 40 mins
Servings 2 servings


  • 1 medium sized sweet potato about two cups sliced very thin
  • 1 tbsp olive oil
  • 1 tsp cornstarch
  • 1/2 tsp garlic
  • 1/2 tsp onion powder
  • 1/4 tsp ground pepper
  • 1/2 tsp seasoning salt


  • Slice sweet potatoes very thin.  Use a mandolin if possible.  They must be the same thickness (or thinness in this case).  The thinner they are the crispier they will be.
  • Soak the sweet potato chips in cold water for at least 30 minutes. Then use a colander to drain them and dry them well with paper towels.  This allows the starch to come out and the sweet potato chips will bake more evenly and get crispier.
  • In a medium mixing bowl, mix the oil, cornstarch, garlic, onion powder, and pepper. Add the sweet potatoes and mix everything well so that the sweet potatoes are coated.
  • Prepare the air fryer by brushing it with cooking oil. Place the sweet potato chips into the basket as evenly as possible.  It is okay if they overlap a bit because they will shrink.
  • Bake them at 400 for 5 minutes.  Then remove the basket and give the sweet potato chips a shake.  Then bake the chips for another 4 minutes at 350 degrees. 
  • Remove them from the basket and put them on a cooling rack.  This will help them crisp up.  While they are still warm, season them generously with seasoning salt. 


No need to peel your sweet potatoes, it's fine to leave the skins on.
These will keep 4-5 days in the fridge. Just make sure they are stored in an air-tight container.


Calories: 166kcal | Carbohydrates: 24g | Protein: 2g | Fat: 7g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Sodium: 644mg | Potassium: 392mg | Fiber: 4g | Sugar: 5g | Vitamin A: 16033IU | Vitamin C: 3mg | Calcium: 39mg | Iron: 1mg
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