
Sweet potato fries are a tasty, healthier alternative to traditional deep-fried potatoes. They can be made in an air fryer in less than 15 minutes and are a great side dish for breakfast, lunch, or dinner. The cooking time for sweet potato fries in an air fryer varies depending on the desired crispiness, the thickness of the fries, and the size of the air fryer basket. To achieve crispy sweet potato fries, it is important to cut the potatoes into even wedges or fries, preheat the air fryer, and cook the potatoes in batches to avoid overcrowding the basket.
How long to cook sweet potato fries in an air fryer
| Characteristics | Values |
|---|---|
| Cooking time | 10-20 minutes |
| Preheat temperature | 380-400°F |
| Cooking temperature | 380-400°F |
| Oil | Olive oil, avocado oil, canola oil, or cooking oil of your choice |
| Seasoning | Salt, pepper, smoked paprika, garlic powder, Tony Chachere’s Creole Seasoning, or Lawry’s |
| Soaking time | 10 minutes to overnight |
| Fry size | 1/4-inch to 1/2-inch thickness |
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What You'll Learn

How to cut sweet potatoes for air fryer fries
To cut sweet potatoes for air fryer fries, start by selecting two medium-sized sweet potatoes that are not too long. This way, you can use the full length of the sweet potatoes as the length of the fry. Remember that sweet potato fries will shrink after cooking, so choose potatoes with a shape that is slightly longer than your ideal fry length.
Next, peel the sweet potatoes and cut off the skinny ends. You can save the ends for a different recipe. Then, cut the sweet potatoes in half lengthwise. This will make it easier to lay them flat on a cutting board and start cutting them into long slices. The thinner you cut them, the crispier they will be. It is recommended to cut them into slices about 1/4-inch to 1/2-inch thick. Try to cut the wedges as evenly as possible so that they cook evenly.
If you want crispier fries, there is an extra step you can take before cooking them. After cutting the sweet potatoes into fries, submerge them in a large bowl of hot tap water and let them soak for 10 minutes. Then, drain the potatoes, pat them dry with a paper towel, and proceed to season and cook them as desired.
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How long to cook sweet potato fries in an air fryer
The length of time it takes to cook sweet potato fries in an air fryer depends on the temperature and the specific air fryer being used. Most recipes recommend a temperature of 380°F to 400°F and a cooking time of 10 to 20 minutes.
Preparation
Wash, peel, and dry the sweet potatoes. Cut off either end of the sweet potato and cut it in half lengthwise. Then, cut the halves into long 1/4-inch thick spears. The thinner the fries, the crispier they will be. If any fries are smaller than the rest, set them aside to cook separately, as they will require less time in the air fryer.
Cooking
Preheat your air fryer to 380°F to 400°F. Place the sweet potato fries into the basket in a single layer to ensure even cooking. Avoid overcrowding the basket, as this can make the fries soggy.
Cook the fries in batches if necessary, for around 10 to 20 minutes, shaking the basket or flipping the fries at intervals to ensure even cooking. The fries are done when they are golden brown and crispy.
Serving
Serve the sweet potato fries immediately with your favorite dipping sauce.
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How to season sweet potato fries
Cooking sweet potato fries in an air fryer is a great way to make a lighter alternative to deep-fried sweet potatoes. It's quicker, healthier, and uses less oil. Here is a step-by-step guide on how to season and cook sweet potato fries in an air fryer:
Selecting and Preparing the Sweet Potatoes:
Start by choosing two medium-sized sweet potatoes that are not too long and have a more uniform shape. This ensures that you can get evenly sized fries, which is important for even cooking. Peel the sweet potatoes and cut off the skinny ends, which you can save for another recipe. Then, cut the potatoes in half lengthwise, and lay them flat on a cutting board. From here, cut the potatoes into long slices about 1/4-inch to 1/2-inch thick. The thinner you cut them, the crispier they will be.
Seasoning the Sweet Potato Fries:
There are endless possibilities for seasoning sweet potato fries, and you can get creative with the spices you have on hand. Here are some common and popular seasoning combinations:
- Olive oil, garlic powder, paprika, salt, and pepper
- Olive oil, Creole seasoning (such as Tony Chachere's), or any seasoning salt blend
- Olive oil, garlic powder, smoked paprika, and black pepper
- Olive oil, kosher salt, pepper, and garlic powder
- Olive oil, avocado oil, or melted coconut oil with garlic powder, chili powder, ground cumin, and sea salt
- Olive oil, kosher salt, pepper, garlic powder, and Italian seasoning
- Olive oil, kosher salt, pepper, garlic powder, and rosemary
- Olive oil, kosher salt, and cinnamon sugar
- Olive oil, avocado oil, canola oil, or grapeseed oil with smoked paprika
- Olive oil, canola oil, or peanut oil with cinnamon
- Olive oil, canola oil, or peanut oil with cayenne pepper
- Olive oil with Cajun seasoning
Toss the cut sweet potatoes with your chosen oil and spices until they are evenly coated. You can also add cornstarch to the mixture to help the potatoes get crispier.
Cooking the Sweet Potato Fries:
Preheat your air fryer, and spray the air fryer basket with oil. Place the seasoned sweet potatoes into the basket in a single layer, ensuring they don't overlap. Depending on the size of your air fryer basket, you may need to cook the fries in 2-3 batches. Set the temperature to 380°F to 400°F and cook for about 12-20 minutes, shaking the basket or flipping the fries halfway through to ensure even cooking. The fries are done when they are golden brown and crisp.
Serve your sweet potato fries immediately with your favorite dipping sauce, and enjoy!
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How to reheat sweet potato fries
To make sweet potato fries in an air fryer, start by peeling and cutting two medium-sized sweet potatoes into 1/4-inch to 1/2-inch thick slices. Preheat your air fryer to 400ºF. While it's preheating, season your sweet potato slices with olive oil, garlic powder, paprika, salt, and pepper, and toss to coat. Place the slices in the air fryer basket, ensuring they don't overlap. Cook for 12-20 minutes, shaking the basket halfway through.
Now, to reheat sweet potato fries, you can use the air fryer again to achieve a crispy texture. Preheat your air fryer to 400°F (200°C) for 5 minutes. Take your leftover sweet potato fries and mix or spritz them with a small amount of oil. Place them in the preheated air fryer basket, ensuring there's some room left for airflow. Reheat for 4-6 minutes, shaking the basket once halfway through. Check if they're heated through and serve immediately.
It's important to note that the reheating time may vary depending on your air fryer model and the amount of fries you're reheating. Also, while you can reheat in batches, it's best to avoid reheating multiple times to maintain the quality of your fries.
To enhance the flavor of your reheated sweet potato fries, you can add extra seasoning before cooking, right after applying the oil. This helps the seasoning stick better to the fries. Additionally, avoid overcrowding the air fryer basket to ensure proper airflow and even cooking.
By following these steps, you can enjoy delicious, crispy sweet potato fries with your favorite dipping sauce, even if they are leftovers!
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How to store sweet potato fries
Sweet potato fries are a tasty, healthy treat, and can be stored in a few different ways. Firstly, you can store raw, cut sweet potatoes in the freezer for up to six months. To do this, peel the sweet potatoes and cut them into the desired thickness and length. You can use a French fry cutter to make this process quicker and easier. Then, place the cut fries into a bowl of cool water and leave them to sit for 10-15 minutes. This helps to remove the starch from the potatoes. Next, bring a large pan of water to a rolling boil and blanch the fries for 3-5 minutes, depending on their thickness. This will kill any germs and stop the enzyme process. After this, cool the fries down quickly by placing them in a colander and pouring over cold water. Drain them, then lay the fries out on a paper towel-lined baking sheet to dry. Once dry, place the fries in freezer storage bags, removing as much air as possible before sealing. Label the bags with the date and lay them flat in the freezer.
You can also store cooked sweet potato fries in the fridge for up to seven days, or in the freezer for up to a year. To do this, place the cooked fries in an airtight container or resealable bag and store them within an hour of cooking. If you are using a container, cover it tightly with plastic wrap. Label the container or bag with the date, then store in the fridge or freezer.
If you want to store uncooked, cut sweet potatoes for a shorter period, you can also submerge them in water and store them in the refrigerator for up to five days. This will help to remove the starches.
Now you know how to store your sweet potato fries, you might want to know how to cook them. To make sweet potato fries in an air fryer, start by peeling and cutting two medium-size sweet potatoes into 1/4-inch to 1/2-inch thick fries. Preheat your air fryer to 380-400ºF and spray the basket with oil. Toss the sweet potato fries in a bowl with a light coating of olive oil or another cooking oil of your choice, and add your chosen seasoning. You can keep it simple with salt and pepper, or try something different like smoked paprika, cinnamon, or pumpkin spice. Place the fries in the air fryer basket in a single layer, making sure they don't overlap. Cook in batches if necessary. Cook at five-minute intervals, shaking the basket to flip and stir the fries after each interval, until they are golden brown and slightly blistered and browned on the edges. This should take around 12-20 minutes. Serve immediately with your favorite dipping sauce.
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Frequently asked questions
It takes about 10 to 15 minutes to cook sweet potato fries in an air fryer.
Cut the sweet potatoes into 1/4-inch to 1/2-inch thick fries. The thinner the cut, the crispier the fries will be.
Preheat the air fryer to 380°F to 400°F.
Season the sweet potato fries with olive oil, canola oil, or avocado oil, and spices like salt, pepper, garlic powder, and paprika.
Leftover sweet potato fries can be stored in an airtight container in the refrigerator for up to three to four days. They can also be frozen for up to six months.











































