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Air Fryer Sweet Potatoes are delicious and super simple to make. I tossed in some cranberries and red onion for a festive touch, and these cubes of earthy potatoes are a great accompaniment to any meal from breakfast to dinner.
This is a side dish that takes very little effort to make yet yields amazing results – tender and creamy on the inside with crispy outsides.
I have been sent product from COSORI to facilitate this post, however, all opinions are my own. #ad

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Please let me know if you have any questions about this recipe. I read all the comments myself and I try to help as soon as I can. I have readers from all levels of comfort and experience in the kitchen on my site, and I’ve tried to answer some of your questions already in the post. But if I’ve missed anything, please feel free to leave a comment and ask.
Festive holiday side dish
I got a new air fryer from COSORI (affiliate link), and I needed to take it for a test run. What better to make than some delicious roasted sweet potatoes with cranberries and red onions for an easy to make festive holiday side dish!
If you don’t have an air fryer, check out my oven roasted sweet potato recipe. (But you really should get an Air Fryer!)
I love my Air Fryers! And I highly recommend if you’re thinking of getting one, you do! Ask Santa for one. Buy one for a gift for someone! And, make sure you grab the COSORI brand. I have a few of them, and I love them all! (Hint hint: they make great Christmas gifts!)
I wanted you to be able to see both the COSORI 3.4 QT Air Fryer in the front left and the COSORI 5.8 QT Air Fryer in the back right. Both make great Christmas gifts!
COSORI 3.4 QT Air Fryer
So when COSORI reached out asking if I wanted to try out their 3.4 QT Air Fryer (affiliate link), I jumped at the chance.
I love the idea of cooking with less oil and fat. The added bonus of not having to turn on the oven really appeals to me. And, this 3.4 QT model (in comparison to the 5.8 QT model) has a smaller footprint making it perfect for small kitchens like mine, apartments, and dorms. And it makes a perfect gift for someone you love!
Is an Air Fryer a good investment?
I often see my friends on Facebook asking if an Air Fryer is a good investment.
Wholeheartedly, I say that it is! I use mine all the time!
I love roasted veggies. Roasting brings out the full flavors and the nutty goodness of the food. And, an Air fryer means it roasts in a fraction of the time, using less energy, and often comes out more well roasted.
I like to think of the Air Fryer as a super powerful mini oven.
With rapid air circulation both preheating and cooking are faster in the Air Fryer than the oven.
I love my COSORI
COSORI’s customer service is top-notch, with a 2-year warranty, and a 90-day money-back guarantee, and lifetime support from COSORI.
And I love the recipe book that they provide with the machine. They also have recipes on their website.
You can buy this COSORI 3.4-quart Air Fryer on Amazon (Affiliate link).
Review of the COSORI Air Fryer 3.4-quart
For starters, this countertop appliance has a nice square basket, which allows for more cooking space than the round versions.
It has a nice small footprint, making it more suitable for storage on the countertop, and saves space in the kitchen. And it has a sleek elegant brushed matte black finish making it attractive on the counter.
It’s super easy to use. The COSORI 3.4 QT Air Fryer has One-Touch LED Screen and accessible buttons making it easy to use. And, it has cooking guidelines with time and temperature printed right on the top of the machine.
I love that the CORSORI has a preheat function to get better cooked food. Putting food into an Air Fryer when it’s cold simply means not as much cooking time for the food. So the Preheat function makes your food more thoroughly cooked and visibly improves the appearance of the food.
This model has bright and large words displayed on the screen, making it friendly to the elderly and people with blurred vision.
This air fryer will be a perfect Christmas gift!
Other Air Fryer Reviews
Want to read my review for the COSORI Air Fryer 5.8-quart (affiliate link) and grab a great recipe for Air Fryer Mozzarella Bites? Click over here.
or the new COSORI Smart WiFi Air Fryer 5.8QT (affiliate link) and an easy recipe for corn on the cob, grab it here.
How to adapt oven recipes
It’s easy to adapt oven recipes to the COSORI Air Fryer. Simply lower the temperature by 25° F, and cut the cooking time down by 20%.
For example, if a recipe calls for 350° F for 20 minutes, simply air fry at 325° F for just 16 minutes. Of course, you’ll want to check this and make sure your food is done to your liking.
Back to those Air Fryer Sweet Potatoes
To peel or not to peel
You can peel the sweet potatoes if you want, but I don’t usually do so.
I like to leave the peels on. For one thing, it saves time. For another, the peels are loaded with healthy stuff.
They’re rich in fiber, nutrients, and antioxidants, and can help increase feelings of fullness. If you’re looking to get the most nutrition out of your sweet potato, keep the peel on.
With or without the cranberries and red onion, these sweet potatoes are delicious!
Recipe Tips
Try to cut the sweet potatoes close to the same size. Smaller cubes of sweet potatoes will take less time to cook, and bigger pieces will take more time to cook. You may need to adjust cook time, adding more time if you prefer larger pieces.
One thing I love about this Air Fryer is that it’s really easy to check the doneness of the sweet potatoes by simply opening the baskets, and piercing the sweet potatoes with a fork.
I added tart cranberries and chopped red onion to my sweet potatoes to give them a bit of a festive touch. But, you can totally leave these out if you want, especially if you’re making these sweet potatoes at any time of the year other than when cranberries are in the markets.
Don’t overcrowd the fryer basket. This recipe makes about 2 servings, and it should work for most air fryers without issue.
If you want to make more, or if your sweet potato is particularly large, you’ll want to cook these in batches. After the batches of sweet potatoes are cooked, you can place everything back in the air fryer basket for another minute or so to re-heat, just prior to serving.
Make sure to shake the air fryer basket during cooking. With the 3.4 quart COSORI you’ll want to take the baskets out about a couple times during cooking, and give them a good shake or flip the sweet potatoes. If you’re using the larger 5.8 quart COSORI, there’s a build in shake reminder. Hold the baskets above a heat resistant surface, and do not press the basket release button. You can shake the baskets or use tongs or a spatula to flip the sweet potatoes inside.
You definitely want to be careful not to burn the sweet potatoes. I love how easy it is to keep an eye on how things are cooking in the air fryer. It’s also super easy to put the tray back in and cook everything a little longer. So use your common sense and sound judgment, and cook these to your liking.
Other Air Fryer Recipes you’ll love!
I use the air fryer all the time, but some of my favorite recipes, that I keep going back to time after time are Coconut Shrimp, Mozzarella Bites, and Green Beans.
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Air Fryer Sweet Potatoes Recipe
Air Fryer Sweet Potatoes
Ingredients
Instructions
- Preheat the air fryer to 400° F.
- Cut sweet potato into bite sized pieces, about ½ to 1-inch in size. You want your sweet potato chunks to be roughly uniform in size so they all cook at about the same rate.
- Place the sweet potato pieces in a mixing bowl, along with the oil, cinnamon, chili powder, salt, cranberries and red onion, and toss to coat.
- Transfer veggie mixture to the air fryer basket, and cook until or until crisp and browned outside and just tender inside, about 20 minutes. Shake the basket a few times to rearrange the sweet potatoes, or use a spatula to flip them. Use your own judgment, cooking longer or shorter, if needed, keeping an eye on the sweet potatoes to make sure they don’t burn.
- Taste test, and add more salt if desired.
Nutrition
Nutritional information is based on third-party calculations, and should be considered estimates. Actual nutritional content will vary based on brands used, measuring methods, portion sizes, and more.
Nikki
These were so good. Perfectly tender and crisp on the outside.
Charlie
I use Ninja air fryer. Can I make the potatoes recipe in this air fryer?
Debi
Charlie, yes you can use this recipe to make sweet potatoes in the Ninja AF. Keep an eye on them as they cook, and test them for doneness by piercing them with a fork. All air fryers do work a little differently, and I haven’t used the Ninja. But it will work great.