
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 will depend on how crispy you like your fries and how thickly you've cut your potatoes. Fries cooked at 380°F will take around 12 minutes, while those cooked at 400°F will take around 15-20 minutes. If you're using frozen fries, simply add 4-5 minutes to the cooking time.
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, canola oil, avocado oil, or cooking oil of your choice |
| Seasoning | Salt, pepper, smoked paprika, garlic powder, Tony Chachere’s Creole Seasoning, or cinnamon |
| Fry size | 1/4-1/2 inch thick |
| Soaking time | 10 minutes to overnight |
| Fry preparation | Wash, peel, and dry sweet potatoes before cutting |
| Serving | Serve hot with a dipping sauce |
| Storage | Store in an airtight container in the refrigerator for up to 3-4 days |
| Reheating | Reheat in a preheated oven or air fryer |
| Frozen fries | Increase cooking time by 4-5 minutes |
| Basket | Do not overcrowd the basket to ensure even cooking |
| Calories | 129 kcal |
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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 opt for a shape slightly longer than the ideal fry length.
Next, peel the sweet potatoes and cut off the skinny ends. You can save the ends for another recipe. Then, cut the sweet potatoes in half lengthwise. This will make it easier to lay them flat on a cutting board for slicing into long, thin slices. The thinner you cut them, the crispier they will be. Aim for a thickness of around 1/4-inch to 1/2-inch. Try to cut the wedges as evenly as possible so that they cook evenly.
If you prefer, you can cut the sweet potatoes into 2-inch chunks for roasted sweet potato cubes. Alternatively, you can slice the sweet potatoes into 1/4-inch thick planks and then cut them into 1/4-inch thick fries for a crispier result.
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The best oil for air fryer sweet potato fries
Air fryer sweet potato fries are a tasty, healthier alternative to deep-fried sweet potato fries. They are cooked using less oil, less fat, and fewer calories while still retaining a slight crisp on the outside and a tender bite on the inside.
When it comes to choosing the best oil for air fryer sweet potato fries, the good news is that you can use any oil you like. Some recipes recommend using olive oil, which can add flavour to the dish. However, if you're looking for an oil with a higher smoke point, avocado oil or canola oil are also great options. These oils have higher smoke points, which means they can withstand higher temperatures without smoking or burning. This is especially important when cooking with an air fryer, as the high heat can cause oils with lower smoke points to break down and produce harmful compounds.
If you want to keep things simple, you can also use a cooking spray or an oil spray bottle to coat the sweet potato fries evenly. This can help you control the amount of oil you use and prevent the fries from becoming soggy.
Regardless of the oil you choose, the key to getting crispy sweet potato fries in an air fryer is to ensure that the fries are not overcrowded in the basket. This allows hot air to circulate around the fries, creating a crispy texture. It's also important to shake or flip the fries halfway through the cooking process to ensure even cooking.
In terms of cooking time and temperature, most recipes recommend cooking sweet potato fries in an air fryer at 380°F for 12 to 20 minutes, depending on the thickness of the fries. However, it's important to note that different air fryers may vary, so it's always a good idea to keep an eye on the fries and adjust the time and temperature as needed.
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How long to cook sweet potato fries in an air fryer
Cooking sweet potato fries in an air fryer is a quick and easy way to make a tasty, healthier alternative to deep-fried potatoes. The length of time it takes to cook sweet potato fries in an air fryer depends on the thickness of the fries, the temperature of the air fryer, and the number of fries being cooked.
Preparation
Before cooking, the sweet potatoes should be washed, peeled, and dried. It is recommended to cut the sweet potatoes into even, 1/4-inch thick fries. The thinner the fries, the crispier they will be. If you want crispier fries, you can soak them in a bowl of cold water for 10 minutes or up to overnight, then pat them dry before cooking.
Cooking time
Air fryers should be preheated to 380-400°F. The cooking time will vary depending on the air fryer and the thickness of the fries, but generally, it will take around 10-15 minutes to cook sweet potato fries in an air fryer. It is recommended to cook the fries in batches to ensure even cooking and crispiness. Shake the basket or use tongs to turn the fries halfway through cooking.
Seasoning
You can season your sweet potato fries with a variety of spices, such as salt, pepper, smoked paprika, garlic powder, or cinnamon. A small amount of olive oil or cooking oil can also be added to help the seasoning stick and to promote even browning.
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How to season sweet potato fries
To make sweet potato fries in an air fryer, you'll want to start by selecting potatoes that are not too long and of similar size, so they cook evenly. Peel the potatoes and cut them into 1/4-inch to 1/2-inch thick slices, then into fries. The thinner you cut them, the crispier they will be.
Now, you can season your fries. In a small bowl, mix your chosen spices with a teaspoon of olive oil, avocado oil, canola oil, or another cooking oil of your choice. You can use salt, pepper, garlic powder, paprika, or even a specific seasoning salt blend like Tony Chachere’s Creole Seasoning. If you like your fries spicy, add some cayenne pepper or red pepper flakes. For a sweet twist, sprinkle with cinnamon or pumpkin spice. Alternatively, you can toss the fries with oil and seasoning after cutting them.
Make sure the fries are evenly coated in the mixture, then place them in the air fryer basket in a single layer, ensuring they don't overlap. Preheat the air fryer to 380°F-400°F, and cook for 12-20 minutes, shaking the basket or using tongs to flip the fries halfway through. The fries are done when they are golden brown and crisp. Serve immediately with your favourite dipping sauce.
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How to reheat sweet potato fries
To make sweet potato fries in an air fryer, start by selecting two medium-sized sweet potatoes that are not too long. Peel the sweet potatoes and cut off the skinny ends, which you can save for another recipe. Cut the sweet potatoes in half lengthwise, then lay them flat on a cutting board and cut them into 1/4-inch to 1/2-inch thick slices. The thinner you cut them, the crispier they will be.
Next, preheat your air fryer to 400°F (200°C) for 3-5 minutes. While the air fryer is preheating, season your sweet potatoes. You can toss them with a teaspoon of olive oil, along with garlic powder, paprika, salt, and pepper. Make sure each fry is well-coated.
Once the air fryer is preheated, place the sweet potatoes into the air fryer basket, ensuring they don't overlap. Depending on the size of your basket, you may need to cook the sweet potatoes in 2-3 batches. Set the air fryer to 380°F and cook for 12 minutes, shaking the basket halfway through to ensure even cooking. If you prefer your fries on the crispier side, increase the temperature to 400°F and cook for another 4-6 minutes, shaking the basket once halfway through.
Now, let's get to the part where you reheat the sweet potato fries. If you have leftover sweet potato fries, you can easily reheat them in the air fryer to restore their crispness. Simply place the leftover fries in the air fryer basket and spritz them lightly with oil. Reheat the fries at 360°F for 1-2 minutes. Check on them mid-cook to ensure they are heated through and as crispy as you like them.
It is important to note that the cooking time may vary depending on the thickness of the fries and the model of your air fryer. Avoid overcrowding the basket to prevent steaming instead of crisping. Additionally, try not to reheat the fries multiple times, as this can affect their texture and taste.
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Frequently asked questions
It takes about 10 to 15 minutes to cook sweet potato fries in an air fryer. You can cook them in 5-minute intervals, shaking the basket to flip and stir the fries after each interval.
First, cut the sweet potatoes into 1/4-inch to 1/2-inch thick fries. Next, soak the cut sweet potatoes in cold water for 30 minutes to an hour. Then, pat them dry and toss them with oil and seasonings. Preheat your air fryer to 380-400°F. Finally, place the seasoned sweet potatoes in the basket and cook for 10 to 15 minutes, shaking the basket halfway through.
You can season your sweet potato fries with salt, pepper, smoked paprika, garlic powder, and olive oil. You can also try other seasonings like cinnamon, pumpkin spice, or Creole seasoning.











































