These Easy Air Fryer Sweet Potato Cubes, are a great side dish that can be prepared in a variety of ways. They have a crisp exterior and a fluffy inside.

This air fryer sweet potato cubes recipe is a great side dish. These cubes are delicious and crispy, take less than 20 minutes to make, and are very flavorful. These sweet potatoes are great with many main dishes, including beer-braised short ribs and Cajun-seasoned blackened Cod.
The sweet potatoes come seasoned with salt & pepper. However, you can add any seasonings you wish. You can make the cubes sweet, spicy, or savory. These delicious air-fried sweet potato cubes can be made in many different ways. Let us know how you spice them up by commenting below.
Ingredients You Need
- Sweet Potatoes: This recipe calls for sweet potatoes that have been peeled. You will want to preserve the skin of the potatoes. Dirt can easily get lodged in the skin if you don’t wash them well. If you prefer, you could use yams in this recipe.
- Olive oil or cooking spray – A little oil will make the potatoes crispy and keep them from sticking to your air fryer basket. Toss the potatoes in olive oil or spray with your preferred cooking oil before placing them in the basket.
- Salt and pepper – Adjust the salt to suit your taste. Alternatively, you could use seasoned salt (or your favorite salt mix).
Which Oil & Oil Sprayer Is Best for an Air Fryer?
Air fryer enthusiasts face the biggest problem of all: finding the right oil or oil sprayer to use with food that has been cooked in the oven. It’s vital to use a fine mist of oil on all food pieces in order to make them crisp evenly.
I prefer the avocado oil, extra virgin oil, and canola oil. I use both a refillable spray container like the Evo one below and non-propellant Extra Virgin Olive Oil, which is free of harmful chemicals or aerosols.
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How to make air fryer sweet potato cubes
Peel the sweet potatoes. To remove dirt and other debris, rinse them under cold water.
Cut the potatoes in half and then cube them. If you prefer, you can cut them into larger pieces, but the cooking time will vary depending on how big the cubes are.

Use cooking spray to spray the potato cubes. You can also drizzle olive oil on them and season them with salt & black pepper. The potatoes can be seasoned at this stage with any seasonings or salt that you prefer. Have fun with seasonings.
Put the sweet potato in an air fryer. Cook at 400F for 12-14 minutes. Stir the basket halfway through. Before serving, season the sweet potato with salt if desired.

Why use an air fryer?
Air fryers are a simple way to cook almost any food. The food is placed in a basket-style fryer, and heated air circulates quickly around it, creating crispiness. You can cook everything you would in an oven.
Substitutions and Variations
- Seasonings: Try new spices and seasonings such as garlic salt, Cajun seasoning, or Montreal seasoning.
- International: These sweet potato cubes can be taken internationally and seasoned with curry powder or our homemade taco seasoning.
- Sweet: To make sweet potatoes into sweet treats, you can coat them with brown sugar or maple syrup or sprinkle them with cinnamon sugar or nutmeg.

Questions about the sweet potatoes in the air fryer Recipe
How do I bake sweet potato cubes?
For oven roasting, follow the same steps for the air fryer but place the cut sweet potatoes in an oven preheated to 425°F. Bake for 30 minutes. Turn the pan halfway through.
Do I need to boil the potatoes or let them sit for a while before I add them to the air fryer?
No, This recipe is super easy, so you don’t need to soak or boil the potatoes beforehand
Can I use frozen air fryer sweet potato chunks in this recipe?
Absolutely. You can use the same steps for fresh and frozen sweet potato cubes. However, you need to add some oil to the frozen ones. They should be ready to go in an air fryer for 15 minutes at 400°F.
Tips
- It is best to use sharp knives when cubing sweet potatoes. Cutting sweet potatoes can be tricky, so be careful.
- Keep sweet potatoes fresh, as they can quickly lose their crunch.
- You can adjust the cooking time to make sweet potato cubes crispier or less crispy, depending on your taste.

Storing and Reheating Tips – # air fryer sweet potato chunks
You can save any leftover sweet potato cubes by placing them in an airtight container. They will keep for up to four days. You can reheat the potatoes by simply air frying them for another 3-5 minutes at 400°F.
Also, you can freeze sweet potato cubes after they have been air fried. This is a great way for meal preparation. All you have to do is remove the cubes from your freezer and place them in an air fryer. They can be stored in the freezer for several months.
INGREDIENTS
- 2Â sweet potatoes
- Cooking spray or olive oil
- Salt & pepper to taste
INSTRUCTIONS
- Peel the sweet potatoes. Rinse the sweet potatoes with cold water.
- Cut the potatoes into 1/2 inch pieces.
- Use cooking spray to spray the potato cubes or drizzle with olive oil. Season with salt and pepper.
- Put the sweet potato in an air fryer. Cook at 400F for 12-14 minutes. Stir the basket halfway through. Add salt to taste.
NUTRITION
Calories: 65kcal Carbohydrates: 15g Protein: 1g Fat: 0.04g Saturated Fat: 0.01g
Polyunsaturated Fat: 0.01g Sodium: 41mg Potassium: 254mg Fiber: 2g Sugar: 3g
Vitamin A: 10688IU Vitamin C: 2mg Calcium: 23mg Iron: 0.5mg
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