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Air fryer sweet potato cubes in a white bowl with sprigs of rosemary.

Air Fryer Sweet Potato Cubes

Air Fryer Sweet Potato Cubes are a quick and easy side dish that will have the whole family asking for seconds. 

Yield: 4 servings (½ cup per person) 1x
Prep: 7 minutesCook: 10 minutesTotal: 17 minutes


  • 1 pound sweet potato (1 large sweet potato; about 2 cups diced)
  • 1 tablespoon avocado oil or olive oil
  • 1/4 teaspoon salt, plus more to taste
  • 1/8 teaspoon pepper
  • 1/8 teaspoon garlic powder
  • 1 teaspoon (1 sprig) minced fresh rosemary leaves (sub: 1/4 teaspoon dried Italian seasoning, crushed in hand)
  • Cooking spray

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  1. Prep Sweet Potatoes: Peel and dice sweet potato into 1/2-inch cubes. (You can also just scrub the potato well and leave the skin on for more nutrition, if preferred.) In a mixing bowl, combine the cubed potatoes, oil, salt, pepper, garlic powder, and fresh rosemary.
  2. Air Fry: Preheat air fryer to 400°F. Spray the bottom of the tray with cooking spray. Place the potatoes in a (mostly) single layer in the air fryer tray. Cook for 10-12 minutes or until crispy and golden, shaking halfway through.
  3. Serve: Taste and season with more salt, if needed. Suggestion: Serve with Avocado Aioli for dipping.


  • You can substitute 1/4 teaspoon dried Italian seasoning for the rosemary.
  • Try to dice the sweet potatoes as evenly as possible to ensure even cooking. 
  • Serve with Avocado Aioli for dipping.
© Author: Polly Conner
Method: Air Fryer