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These Air Fryer Sweet Potato Cubes are easy to prep, versatile, and packed full of flavor! With a crispy exterior and a tender bite on the inside, these air fryer potatoes give you the absolute best results!

From a sweet flavor cinnamon roasted taste to a savory spice-infused side dish favorite you can easily adapt this recipe and take the boring out of dinner time!

Making these sweet potato bites the perfect side dish for a quick weeknight meal, a delicious Sunday Supper, or for serving up at Thanksgiving (or any holiday for that matter).

If you love using the air fryer recipes try our other easy air fryer recipes like Air Fryer Corn Ribs, Garlic Texas Toast, and finish with Cherry Hand Pies for dessert!

Air Fryer Sweet Potato Cubes on a white plate garnished with parsley.

Key Ingredient Notes

  • Sweet Potatoes: This recipe uses fresh sweet potatoes. I will also include some notes on how to use frozen sweet potatoes in the post below.
  • Olive Oil: Use from 1 to 3 tablespoons of olive oil depending on how soft of a roast you like. I usually use about 2 tablespoons. You could also use avocado oil or butter.
  • Salt: Add salt to your taste. This helps bring out the flavor in the sweet potato.
  • Brown Sugar: This adds a nice sweetness and compliments the cinnamon well. You can also use honey in place or in addition to the brown sugar for extra caramelization.
  • Nutmeg: Just a little add another layer of flavor without overpowering it. If you don’t like it just omit it.

If you want a savory option see the recipe notes, the variation section, or use your favorite seasonings.

Image of ingredients needed to make air fryer sweet potato cubes.

How to Make Air Fryer Sweet Potato Cubes

Be sure to see the recipe card below for exact ingredients and full recipe instructions!

Step 1 | Prep, Cut, and Toss Sweet Potatoes

Wash sweet potatoes thoroughly and then place them on a cutting board and cut them into even-sized cubes. You can leave peels on or peel them whichever way you prefer them.

I like to give the sweet potato chunks another rinse and then pour them onto a paper towel and pat dry with paper towels. The drier they are the more of a crisp roast you will get.

Place in a large bowl and toss with olive oil then add remaining ingredients and toss to coat.

Collage image of prepping sweet potatoes into cubes and adding seasonings.

Step 2 | Preheat Air Fryer and Cook

Preheat the air fryer according to the make of your air fryer for about 5 minutes.

Place in the air fryer basket for about 15 to 20 minutes, tossing halfway through cook time. The thickness and size of the air fryer will determine cook time.

Test the largest potato with a fork to be sure it is tender.

Collage image of putting prepped sweet potatoes into air fryer and what they look like after frying them.

Step 3 | Enjoy the Best Roast Sweet Potatoes Ever!

Dig on in! Any way you season these up you are really going to enjoy them. They really are a simple recipe and make a fantastic side dish!

A side view image of sweet potatoes being lifted off of a white plate with a gold spoon.

Tips

  • Remember each air fryer cooks differently. The thickness of the potato will also affect the cooking time. Usually, about 15 minutes will be sufficient, but up to 20 minutes can be needed to achieve the desired doneness.
  • Cutting potatoes at the same thickness will ensure even cooking.
  • Place potatoes in a single layer with some space in between to allow the hot air to circulate which will result in perfect crispy sweet potato cubes.

Frequently Asked Questions

What are the best sweet potatoes to use?

There are many varieties of sweet potatoes and they do not all have the same texture and taste. I like using the orange-skinned sweet potatoes (like Garnet or Jewel) as they are most commonly found and have a really sweet creamy texture. You can also find purple, white, or Japanese sweet potatoes. The best way to know is to give them a try.

How many sweet potatoes are in a pound?

2 large or 3 medium whole sweet potatoes will make around a pound of sweet potatoes. This is about 3 ½ to 4 cups of cubes of potatoes. A kitchen scale is also useful when wanting to determine the exact weight.

Can you use frozen sweet potatoes?

Yes. You can use this method to cook frozen sweet potatoes in the air fryer. To do this you will use them straight out of the freezer (do not thaw them). These are often diced a little smaller so you will need about 2 to 3 cups of frozen sweet potatoes and the cooking time and instructions will be about the same (15 minutes) since they are frozen. You may find you need to add a touch more oil to aid in crisping.

Can you eat the skin of the sweet potato?

Yes. It is safe to eat a cooked or raw sweet potato. Since they are grown in the ground you will want to wash them well. I like to scrub them lightly with a brush and pull off any roots if attached. An extra benefit is they are packed with antioxidants so leaving them on is a plus. It usually comes down to a preference of texture, so eat them the way you like them – skin on or off.

Upclose image of sweet potato cubes made in the air fryer being scooped with a spoon.

Variations and Substitutions:

  • Drizzle with Honey or Maple Syrup: For extra sweetness and a beautiful sheen.
  • Drizzle with warmed up marshmallow fluff for a real decadent treat.
  • Sprinkle with pecans or walnuts for the last couple of minutes while cooking for a nutty addition.
  • For a savory option use  ¼ teaspoon each of black pepperpaprikacayenne peppergarlic powder, and cumin in place of the cinnamon, nutmeg, and brown sugar.
  • Toss with olive oil or butter, salt, pepper, garlic powder (or fresh minced garlic), and add diced bacon and air fry. This is also really delicious with a little bit of maple syrup too.
  • Thyme and rosemary are also delicious herbs on roasted sweet potatoes.
  • For a Mexican spin try a little chili powder or taco seasoning, sea salt, lime juice, and garnish with cilantro. Or use a chili lime seasoning like Tajin

Storage, Make Ahead and Reheating Instructions

Make Ahead: Prep the night before, cover, and refrigerate until ready to cook.

Store leftovers: You can store air-fried sweet potatoes in an airtight container or zip bag and store them in the refrigerator for up to 3-4 days.

Reheat: Reheat them in the air fryer at 375°F for about 5 minutes or until heated through.

To reheat individual servings in the microwave, place desired amount on a microwave-safe dish and reheat. Add 30-second intervals until heated to your liking. The microwave will produce a softer potato.

Sweet potato bites being sprinkled by hand with fresh cut parsley.

What do you serve with them?

This sweet potato side dish is perfect to serve as part of any holiday menu, serve them up with your other favorite sides along with pork, chicken, turkey, or beef. Try them with:

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Air fryer sweet potato bites tossed with olive oil, cinnamon, and brown sugar set on a white plate served with parsley garnish.
Recipe
5 from 16 votes

(click stars to rate)

Air Fryer Sweet Potato Cubes

Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 6 servings
Author: Nikki Lee
These Air Fryer Sweet Potato Cubes are easy to prep, versatile, and packed full of flavor! With a crispy exterior and a tender bite on the inside, these air fryer potatoes give you the best results!
From a sweet flavor cinnamon roasted taste to a savory spice-infused side dish favorite you can easily adapt this recipe and take the boring out of dinner time!
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Ingredients 

  • 1 pound sweet potatoes
  • 1 to 2 tablespoon olive oil, (if you like a softer roast add up to 3 tablespoons)
  • ½ teaspoon salt, optional (or to taste)

Sweet Cinnamon Sugar Roasted Sweet Potatoes

  • 2 teaspoons ground cinnamon
  • ½ teaspoon nutmeg, optional
  • 2 to 4 tablespoons brown sugar, packed – to taste (you can also use honey or use equal parts of each for an even sweeter roasted potato)

Instructions

  • Rinse and cut into ¾-inch cubes (you can peel or leave skins on for this recipe), being sure they are all about the same size so they cook evenly. Dry on paper towels and gently roll them around or pat dry to remove water.
  • In a large mixingbowl toss with olive oil so they are fully coated. Then add brown sugar and toss with cinnamon & nutmeg. *see notes for a savory option
  • Place the sweet potatoes into the air fryer basket in a single layer (work in batches if needed) and air fry at 400ºF for 8 to 10 minutes then shake the basket and air fry for at least another 5 to 10 minutes or until the desired color/doneness is achieved. 
  • Serve with fresh herbs and your favorite sauce. Enjoy!

Video

Notes

Savory Option: Use ¼ teaspoon each of black pepper, paprika, cayenne pepper, garlic powder, and cumin in place of the cinnamon, nutmeg, and brown sugar.  * See the variation section of the post for more seasoning ideas.

Nutrition Information

Serving: 1serving Calories: 106kcal (5%) Carbohydrates: 20g (7%) Protein: 2g (4%) Fat: 3g (5%) Saturated Fat: 0.4g (3%) Polyunsaturated Fat: 0.3g Monounsaturated Fat: 2g Sodium: 222mg (10%) Potassium: 368mg (11%) Fiber: 3g (13%) Sugar: 9g (10%) Vitamin A: 14531IU (291%) Vitamin C: 15mg (18%) Calcium: 39mg (4%) Iron: 1mg (6%)

Nutritional Disclaimer

Soulfully Made is not a dietician or nutritionist, and any nutritional information shared is only an estimate. We recommend running the ingredients through an online nutritional calculator if you need to verify any information.

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16 Comments

  1. 5 stars
    I’ve made this twice!!! Sooo good! And I love how simple it is too. Will always be cooking my sweet potatoes in the air fryer from now onwards!

  2. 5 stars
    I was never a big fan of sweet potatoes but as I have gotten older I have started to love them. These are so delicious, like healthy candy!! I even made a batch with some paprika and cayenne pepper and even my son ate them!

  3. 5 stars
    Perfection! We just got an air fryer and are trying out all our favorites in it– this was great! I love the addition of the nutmeg.

  4. 5 stars
    My family LOVED these sweet potatoes when I served them alongside dinner. So easy and simple in the air fryer. We’ll be making them again!