How do you cook sweet potato fries in an air fryer? Cooking sweet potato fries in an air fryer is easy! You cut them, toss them with oil and spices, and air fry them until crispy. This blog post will guide you through making the best air fryer sweet potato fries using this air fryer sweet potato fries recipe, whether homemade air fryer sweet potato fries or using frozen sweet potato fries air fryer. We’ll cover everything from achieving crispy air fryer sweet potato fries to optimal air fryer sweet potato fries time and air fryer sweet potato fries temperature, as well as air fryer sweet potato fries seasoning, and ultimately offer a healthy air fryer sweet potato fries option.

Image Source: feelgoodfoodie.net
Why Air Fryer Sweet Potato Fries Are the Best
Sweet potato fries are a delicious and nutritious alternative to regular fries. But baking them in the oven can often result in soggy, unevenly cooked fries. That’s where the air fryer comes in! Air frying provides several advantages:
- Crispiness: The circulating hot air crisps the fries evenly, creating a delightful crunch.
- Speed: Air frying is much faster than baking, saving you time and energy.
- Healthier: You use less oil when air frying, making them a healthier option.
- Convenience: Air fryers are easy to use and clean.
Gathering Your Ingredients for Air Fryer Sweet Potato Fries
Before you begin, ensure you have these ingredients on hand:
- 2 large sweet potatoes
- 1-2 tablespoons olive oil (or avocado oil)
- 1 teaspoon salt
- ½ teaspoon garlic powder
- ½ teaspoon paprika
- ¼ teaspoon black pepper
- Optional: Pinch of cayenne pepper for heat
Ingredient Notes
- Sweet Potatoes: Choose firm, smooth sweet potatoes without blemishes. The size doesn’t matter too much, but try to select potatoes that are relatively uniform for even cooking.
- Oil: Olive or avocado oil are excellent choices for their neutral flavor and ability to withstand high heat.
- Seasoning: Feel free to experiment with your favorite spices. Onion powder, chili powder, or even a touch of cinnamon can add a unique flavor profile.
Preparing Your Sweet Potatoes
The key to crispy air fryer sweet potato fries lies in the preparation. Follow these steps to ensure your fries turn out perfectly:
- Wash and Scrub: Thoroughly wash and scrub the sweet potatoes to remove any dirt. You can peel them if you prefer, but leaving the skin on adds extra fiber and nutrients.
- Cut into Fries: Cut the sweet potatoes into ½-inch thick fries. Aim for uniform size to ensure even cooking.
- First, slice the sweet potato into planks.
- Then, cut the planks into fries.
- Soak (Optional): Soaking the fries in cold water for 30 minutes helps remove excess starch, resulting in crispier fries. This step is optional but recommended for the best results.
- After soaking, drain the fries and pat them completely dry with paper towels. This is crucial for achieving maximum crispiness.
Seasoning Your Sweet Potato Fries
Once your fries are cut and dried, it’s time to add some flavor!
- Toss with Oil: Place the fries in a large bowl and drizzle with olive oil. Toss until the fries are evenly coated.
- Add Seasoning: Sprinkle the salt, garlic powder, paprika, and black pepper over the fries. Toss again to ensure the seasoning is evenly distributed.
- For a spicier kick, add a pinch of cayenne pepper.
Seasoning Variations
- Spicy: Chili powder, cumin, cayenne pepper
- Sweet: Cinnamon, brown sugar
- Savory: Onion powder, smoked paprika, dried herbs (rosemary, thyme)
Air Frying Your Sweet Potato Fries
Now for the main event! Follow these steps to air fry your sweet potato fries to perfection:
- Preheat the Air Fryer: Preheat your air fryer to 400°F (200°C) for 5 minutes. This ensures the fries start cooking immediately and get crispy.
- Arrange in the Air Fryer Basket: Place the fries in the air fryer basket in a single layer. Avoid overcrowding, as this will prevent them from crisping properly. You may need to cook them in batches.
- Air Fry: Air fry for 15-20 minutes, flipping the fries halfway through. The exact air fryer sweet potato fries time will depend on your air fryer model and the thickness of your fries.
- Check for Doneness: The fries are done when they are golden brown and crispy. If they aren’t crispy enough, continue air frying for a few more minutes, keeping a close eye to prevent burning.
Air Fryer Sweet Potato Fries Time and Temperature Guide
| Sweet Potato Fries Type | Temperature | Time | Notes |
|---|---|---|---|
| Homemade | 400°F (200°C) | 15-20 min | Flip halfway through. Adjust time based on thickness and crispiness. |
| Frozen | 400°F (200°C) | 10-15 min | Flip halfway through. |
Cooking Frozen Sweet Potato Fries in Air Fryer
Frozen sweet potato fries air fryer are a convenient option when you’re short on time. Here’s how to cook them in the air fryer:
- No Need to Thaw: There’s no need to thaw the frozen fries.
- Preheat the Air Fryer: Preheat your air fryer to 400°F (200°C) for 5 minutes.
- Arrange in the Air Fryer Basket: Place the frozen fries in the air fryer basket in a single layer.
- Air Fry: Air fry for 10-15 minutes, flipping halfway through. The exact air fryer sweet potato fries time will depend on the brand and thickness of the fries.
- Check for Doneness: The fries are done when they are golden brown and crispy.
Tips for the Crispiest Air Fryer Sweet Potato Fries
Here are some tips to help you achieve the crispiest air fryer sweet potato fries every time:
- Don’t Overcrowd: Overcrowding the air fryer basket will steam the fries instead of frying them. Cook in batches if necessary.
- Use Enough Oil: While you don’t need a lot of oil, using enough is crucial for crispiness. Ensure the fries are evenly coated.
- Flip Halfway Through: Flipping the fries halfway through ensures they cook evenly on both sides.
- Preheat the Air Fryer: Preheating the air fryer helps the fries start cooking immediately, promoting crispiness.
- Soak the Fries (Optional): Soaking the fries in cold water for 30 minutes helps remove excess starch, resulting in crispier fries.
- Pat Dry: Completely drying the fries after soaking is crucial. Excess moisture will prevent them from crisping up.
- High Quality Sweet Potatoes: As mentioned earlier, choose sweet potatoes that are firm and without blemishes.
Serving Suggestions
Air fryer sweet potato fries are delicious on their own, but they’re even better with a tasty dipping sauce. Here are some serving suggestions:
- Ketchup: A classic choice.
- Mayonnaise: Plain or flavored with garlic or herbs.
- Spicy Mayo: Mix mayonnaise with sriracha or chili garlic sauce.
- BBQ Sauce: Adds a smoky and sweet flavor.
- Ranch Dressing: A creamy and tangy option.
- Avocado Crema: Blend avocado, lime juice, cilantro, and a pinch of salt for a healthy and refreshing dip.
Making Healthy Air Fryer Sweet Potato Fries
Air frying is already a healthier option than deep frying, but here are some ways to make your healthy air fryer sweet potato fries even better:
- Use Less Oil: While some oil is necessary for crispiness, you can use less by spritzing the fries with oil instead of tossing them in a bowl.
- Choose Healthy Oil: Opt for olive oil or avocado oil, which are rich in healthy fats.
- Add Nutritional Boost: Experiment with seasonings like turmeric or ginger for added health benefits.
- Control Portion Size: Be mindful of your portion sizes to keep your calorie intake in check.
Storing and Reheating
- Storing: Leftover air fryer sweet potato fries can be stored in an airtight container in the refrigerator for up to 3 days.
- Reheating: To reheat, air fry at 350°F (175°C) for 3-5 minutes, or until crispy. You can also reheat them in a preheated oven at 350°F (175°C) for 5-10 minutes. Avoid microwaving, as this will make them soggy.
Recipe: Air Fryer Sweet Potato Fries
This air fryer sweet potato fries recipe provides a simple and reliable method for creating delicious and crispy fries.
Yields: 4 servings
Prep time: 15 minutes
Cook time: 15-20 minutes
Ingredients:
- 2 large sweet potatoes
- 1-2 tablespoons olive oil (or avocado oil)
- 1 teaspoon salt
- ½ teaspoon garlic powder
- ½ teaspoon paprika
- ¼ teaspoon black pepper
- Optional: Pinch of cayenne pepper for heat
Equipment:
- Air fryer
- Large bowl
- Knife
- Cutting board
- Paper towels
Instructions:
- Prepare Sweet Potatoes: Wash and scrub the sweet potatoes. Cut into ½-inch thick fries.
- Soak (Optional): Soak the fries in cold water for 30 minutes. Drain and pat dry with paper towels.
- Season: Place the fries in a large bowl, drizzle with olive oil, and toss. Add salt, garlic powder, paprika, and black pepper. Toss to coat.
- Preheat: Preheat the air fryer to 400°F (200°C) for 5 minutes.
- Air Fry: Place the fries in the air fryer basket in a single layer. Air fry for 15-20 minutes, flipping halfway through, until golden brown and crispy.
- Serve: Serve immediately with your favorite dipping sauce.
Nutritional Information (Per Serving)
(Approximate values, may vary based on specific ingredients and portion sizes)
- Calories: 200
- Fat: 8g
- Saturated Fat: 1g
- Cholesterol: 0mg
- Sodium: 300mg
- Carbohydrates: 30g
- Fiber: 5g
- Sugar: 8g
- Protein: 3g
Fathoming Air Fryer Sweet Potato Fry Issues
Why are my sweet potato fries soggy in the air fryer?
Soggy fries often result from overcrowding the air fryer basket, using too little oil, or not drying the fries thoroughly after soaking. Ensure you cook in batches, use enough oil, and pat the fries dry before seasoning.
Why are my sweet potato fries burning in the air fryer?
Burning can occur if the air fryer temperature is too high or if the fries are left in for too long. Lower the temperature slightly or reduce the cooking time. Keep a close eye on the fries during the last few minutes of cooking.
Can I use different types of oil?
Yes, you can use other oils with a high smoke point, such as avocado oil, coconut oil, or vegetable oil.
Frequently Asked Questions (FAQ)
Can I make these ahead of time?
While air fryer sweet potato fries are best served immediately, you can cut and season the fries ahead of time and store them in the refrigerator for up to 24 hours. Add the oil just before air frying.
Can I add other vegetables to the air fryer?
Yes, you can air fry other root vegetables like carrots, parsnips, or beets alongside the sweet potatoes. Just be sure to cut them into similar sizes for even cooking.
Are air fryer sweet potato fries gluten-free and vegan?
Yes, this recipe is naturally gluten-free and vegan.
How do I clean my air fryer after cooking sweet potato fries?
Most air fryer baskets are dishwasher-safe. If not, wash the basket with warm soapy water and a non-abrasive sponge.
Now that you’re armed with all the knowledge and tips you need, go ahead and make the crispiest air fryer sweet potato fries! Enjoy!

I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.