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Crispy Roasted Sweet Potatoes

By Austin Nissley
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These crispy roasted sweet potatoes are caramelized on the edges with olive oil, salt, pepper, and optional smoky spices.

Tray of crispy roasted sweet potato cubes.

Prep

10 mins

Cook

25 to 30 mins

Total

35 to 40 mins

Calories

262 kcal

Protein

3.6 g

Carbohydrates

45.8 g

Serves

4 servings

Fat

7.6 g

Longevity

73/100

Roasted sweet potatoes are one of the easiest side dishes you can make, but many people end up with soggy cubes instead of crispy edges. This recipe shows how to get perfectly caramelized sweet potatoes every time.

Roasted Sweet Potato Cubes

These roasted sweet potato cubes are one of the easiest side dishes you can make. With just a few ingredients and about 30 minutes in the oven, sweet potatoes turn crispy on the outside and soft in the center.

Sweet potatoes are one of the most reliable ingredients to keep in the kitchen. They store well for weeks, cook quickly, and work with almost any meal - from eggs in the morning to sausage and vegetables at dinner.

They're also one of the most nutrient-dense vegetables available, packed with fiber, potassium, and beta-carotene that supports immune and eye health.

In this recipe we cube the sweet potatoes, toss them with avocado oil, salt, and black pepper, and roast them until the edges caramelize and the centers turn soft and creamy.

How to Make Roasted Sweet Potatoes

Preheat your oven to 425 F, cut the sweet potatoes into even 3/4-inch cubes, and toss them with oil, salt, and pepper until coated.

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Spread them in a single layer on a sheet pan so hot air can circulate around each piece. Roast for 25 to 30 minutes, flipping once halfway through for even browning.

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The sweet potatoes are ready when the edges are caramelized and the centers are tender when pierced with a fork.

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If you like sweet potatoes, you might also enjoy our Sweet Potato Mash, Crispy Sweet Potato Breakfast Hash, and Sweet Potato Sourdough Rolls.

Breville Oven Instructions

You can make this recipe in a Breville countertop oven too.

  • Preheat on the Roast setting to 425°F
  • Use the middle rack position
  • Watch closely near the end since countertop ovens can brown faster
  • Cook in batches if your tray is smaller

Why This Recipe Works

  • Only 4 ingredients
  • Ready in under 35 minutes
  • Crispy edges and soft centers
  • Works in a standard oven or Breville toaster oven
  • Kid-friendly and naturally gluten-free

Ingredients

Servings
UnitsStandard
Keep awakeAuto-sleepNot supported
  • Fiber / plants
  • Fats
  • Flavor / spices

Ingredient notes

  • Sweet potatoes are the base of the recipe and roast best when they are firm and cut into even 3/4-inch cubes. Similar sizing helps every piece caramelize at the same rate.

  • Olive oil helps the sweet potatoes brown and crisp instead of drying out in the oven. It also helps seasoning stick evenly to each cube.

  • Salt brings out the natural sweetness and prevents the final dish from tasting flat. Start with the listed amount, then adjust after roasting if needed.

  • Black pepper adds a mild savory bite that balances the sweet flavor of the potatoes. A small amount goes a long way, especially for kid-friendly versions.

  • Smoked paprika is optional, but it adds a subtle smoky depth and a warmer color. Use it when you want a more savory profile without extra heat.

  • Garlic powder is optional and works best as a light background flavor. A pinch is enough to add aromatic depth without overpowering the sweet potato.

Step-by-step

4 servings
  1. 1

    Step 1

    Preheat oven

    • Ingredients:
      • None
    • Action: Preheat oven to 425 F (218 C). Higher heat helps the sweet potatoes develop crispy edges.
  2. 2

    Step 2

    Cut sweet potatoes

    • Ingredients:
      • 2 pounds sweet potatoes (about 2 large), peeled and cut into 3/4-inch cubes
    • Action: Peel if desired and cut into 3/4-inch cubes. Keep pieces similar in size so they cook evenly.
  3. 3

    Step 3

    Season

    • Ingredients:
      • 2 tablespoons olive oil
      • 1/2 teaspoons salt
      • 1/4 teaspoons black pepper
      • 1/2 teaspoons smoked paprika (optional)
      • 1 pinch garlic powder (optional)
    • Action: Combine sweet potatoes with oil, salt, pepper, and optional spices in a mixing bowl. Toss until evenly coated.
  4. 4

    Step 4

    Spread on baking sheet

    • Ingredients:
      • Seasoned sweet potatoes
    • Action: Spread potatoes in a single layer on a sheet pan. Avoid overcrowding to prevent steaming and improve browning.
  5. 5

    Step 5

    Roast

    • Ingredients:
      • Sweet potatoes on sheet pan
    • Action: Roast 25 to 30 minutes, flipping halfway through. Potatoes are done when edges are caramelized and the inside is soft when pierced with a fork.

Equipment

  • Sheet pan

  • Parchment paper (optional but helps cleanup)

  • Sharp knife

  • Mixing bowl

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