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The Ultimate Crispy Oven Roasted Sweet Potatoes

A pile of perfectly caramelized, cubed roasted sweet potatoes served on a white plate.

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Follow this simple technique to make oven roasted sweet potatoes that are perfectly crispy on the outside and tender inside every time. This healthy vegetable side dish uses basic seasoning for maximum flavor.

Ingredients

Scale
  • 3 large sweet potatoes, scrubbed and cut into 1-inch cubes
  • 3 tablespoons olive oil
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon paprika
  • 1/4 teaspoon dried rosemary (optional)

Instructions

  1. Preheat your oven to 425 degrees Fahrenheit. Place an oven rack in the middle position.
  2. Place the sweet potato cubes in a large bowl.
  3. Drizzle the olive oil over the potatoes. Toss them well to coat every piece evenly. This step is key for crispiness.
  4. In a small bowl, mix the salt, pepper, garlic powder, paprika, and rosemary, if using.
  5. Sprinkle the seasoning mixture over the oiled potatoes. Toss again until the seasoning adheres to all the pieces.
  6. Spread the seasoned sweet potatoes in a single layer on a large, rimmed baking sheet. Do not overcrowd the pan; use two sheets if necessary. Overcrowding causes steaming, preventing crispiness.
  7. Roast for 20 minutes.
  8. Remove the pan from the oven and use a spatula to flip the sweet potatoes.
  9. Return the pan to the oven and roast for another 10 to 15 minutes, or until the edges are deeply browned and caramelized and the centers are soft when pierced with a fork.
  10. Serve immediately as an easy vegetable side dish.

Notes

  • For extra caramelized sweet potatoes, toss the potatoes with 1 tablespoon of maple syrup or honey during the last 5 minutes of cooking.
  • If you want a garlic rosemary sweet potatoes flavor profile, add 1 teaspoon of fresh minced garlic during the last 5 minutes of roasting to prevent burning.
  • For meal prep sweet potatoes, store cooled leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in a 400 degree oven for 5-7 minutes to restore crispness.

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