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Air Fryer Diced Potatoes

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Looking for the best way to serve potatoes with minimal prep? These diced potatoes in the air fryer are crispy on the outside, fluffy on the inside, and so simple to make!

Fork dishing up fresh diced potatoes cooked in air fryer

From home fries with breakfast to a universally-loved side with dinner, there’s never a bad time to whip up potatoes. And if you’re looking for a fool-proof recipe the whole family is sure to love, you have to try making diced potatoes in the air fryer!

These tasty bites are crispy on the outside, tender on the inside, and only require a few minutes of hands-on prep! Just dice, soak, dry, then air fry. It’s seriously that easy.

Here’s what I’m going to teach you in this post:

  • How to make irresistible diced potatoes in the air fryer
  • The best way to store and reheat leftover potatoes
  • How long to cook roasted potatoes in the air fryer
  • Tips for making the crispiest air fryer roasted potatoes
  • How to make frozen diced potatoes in the air fryer

This side is easy enough to make on a busy weeknight but delicious enough to serve for guests, or even at a holiday dinner! 

You can sprinkle a little thyme on top to really play up the presentation or just spoon them onto everyone’s plate and watch how soon the whole family starts asking for seconds. Just make sure to save a few leftovers for some delicious breakfast potatoes!

I made this recipe using the 5.8 QT Cosori Air Fryer. Its square basket makes it the perfect size for our family of 4.

prepared ingredients for air fryer diced potatoes

How to Make Air Fryer Diced Potatoes

A full printable version of this recipe with ingredient measurements is available at the bottom of this post.

STEP ONE: Wash your potatoes, then dice them into small evenly-sized cubes. 

STEP TWO: Soak the diced potatoes in cold water for 10 minutes. Once they have soaked, drain them and then pat them dry with a paper towel.

STEP THREE: In a bowl, toss the potatoes with the thyme, garlic, olive oil, and lemon juice. 

STEP FOUR: Place the diced potatoes in your air fryer basket in a single layer.

place diced potatoes in single layer in air fryer

STEP FIVE: Cook at 380 degrees F for 20 to 25 minutes, giving the basket a good shake at the 10-minute mark.  

shake air fryer basket to mix up the diced potatoes

What to Serve with Air Fryer Diced Potatoes

How to Store Leftover Roasted Potatoes

Make sure you let the potatoes fully cool to prevent them from getting soggy. After that, store them in an airtight container in the refrigerator. They will stay fresh for up to 5 days, although I’d be surprised if these delicious, crispy bites last that long!

plate full of diced potatoes cooked in air fryer

Can I Use a Different Kind of Potato Instead?

I suggest using something smaller like red potatoes for this recipe. Personally, I prefer the taste and texture. But because you’re going to be dicing up the potato, you can really use any kind you like to make roasted potatoes in the air fryer! 

The most important part is that you cut the potato into evenly-sized cubes so they’ll cook through at the same rate.

How Long to Cook Diced Potatoes in the Air Fryer

Depending on how small you dice the potatoes, they should take anywhere from 20 to 25 minutes to cook. 

You want the cubed pieces to be crispy and golden on the outside, but fluffy and fork-tender on the inside. When in doubt, I would err on the side of over-cooking.

air fryer diced potatoes in bowl with lemon halves

Should I Soak or Rinse the Potatoes Prior to Cooking?

Absolutely! It only takes 10 minutes, and this step is crucial for removing some of the starch. That’s what allows the potatoes to get so nice and crispy in the air fryer. Just make sure to give them a good pat with a paper towel afterward.

Tips to Get the Crispiest Diced Potatoes in the Air Fryer

  • The closer the diced potato pieces are in size, the more evenly they will cook. 
  • Make sure to soak the diced potatoes in cold water. This will help remove some starch and allow them to crisp up more.
  • Cook the potatoes in a single layer in the air fryer and make sure to shake the basket at the halfway mark so the pieces can crisp up on all sides.
  • Before serving, you can sprinkle more fresh thyme over the potatoes, add some zest from your lemon, or both!
diced potatoes cooked in air fryer in bowl with spoon

How to Reheat Diced Potatoes in the Air Fryer

  1. Preheat the air fryer to 350 degrees F.
  2. Lay the leftover diced potatoes in the air fryer basket in a single layer.
  3. Cook for 3 to 5 minutes until heated through.

Can You Make Frozen Diced Potatoes in the Air Fryer?

Yes! If you pick up a bag of Simply Potatoes or Ore Ida in the frozen section of the grocery store, they cook up nice and crispy in the air fryer!

  1. Preheat your air fryer to 400 degrees.
  2. Place the frozen diced potatoes in the air fryer in a single layer and cook for 15 to 20 minutes, shaking halfway through, until hot and crispy.

I like to mist the potatoes with an oil mister halfway through cooking before tossing them while cooking. This lets them get extra crispy without being dry.

Other Air Fryer Potato Recipes You’ll Love:

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Yield: 4 servings

Air Fryer Diced Potatoes

shake air fryer basket to mix up the diced potatoes

Looking for the best way to serve potatoes with minimal prep? Air fryer diced potatoes are crispy, fluffy, and so simple to make!

Prep Time 20 minutes
Cook Time 20 minutes
Total Time 40 minutes

Ingredients

  • 1 ½ pounds of small potatoes
  • 2 cups cold water
  • 1 tablespoon fresh thyme or 1 teaspoon dried thyme
  • ½ tablespoon minced garlic
  • ½ tablespoon olive oil
  • Juice of 1/2 a lemon, about 2 tablespoons of a medium size lemon
  • Salt to taste

Instructions

  1. Wash your potatoes and dice them into small cubes. The closer they are in size, the more evenly they will cook. 
  2. Soak the cut potatoes for 10 minutes in cold water. This will help remove some starch and allow them to crisp up more. Once they have soaked, drain them and then pat them dry with a paper towel.
  3. Combine potatoes with the thyme, garlic, olive oil and lemon juice. 
  4. Place diced potatoes in your air fryer basket. Cook at 380 degrees F for 20 to 25 minutes, giving the basket a good shake at the 10 minute mark. 

Notes

Optional 

Sprinkle more fresh thyme to the potatoes before serving or some zest from your lemon, or both!

How to Reheat Diced Potatoes in the Air Fryer

  1. Preheat the air fryer to 350 degrees F.
  2. Lay the leftover diced potatoes in the air fryer basket in a single layer.
  3. Cook for 3 to 5 minutes until heated through.

Nutrition Information:

Yield:

4

Serving Size:

1

Amount Per Serving: Calories: 212Total Fat: 2gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 0mgSodium: 204mgCarbohydrates: 46gFiber: 4gSugar: 10gProtein: 5g

This nutrition information is based on the exact products I used in this recipe. Brands and sizes of products could alter exact nutrition and should always be calculated independently.

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