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Best Ever Crispy Oven Baked Sweet Potato Fries

A close-up of a pile of Best Ever Crispy Oven Baked Sweet Potato Fries seasoned with salt and spices on a white plate.

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This recipe uses a cornstarch coating and a wire rack to achieve maximum crispiness for sweet potato fries baked in a conventional oven, avoiding sogginess.

Ingredients

Scale
  • 2 large sweet potatoes, scrubbed
  • 2 tablespoons cornstarch
  • 1 tablespoon olive oil
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon paprika

Instructions

  1. Preheat your oven to 425 degrees Fahrenheit. Line a baking sheet with parchment paper, and place a wire cooling rack on top of the parchment paper.
  2. Cut the sweet potatoes into uniform fry shapes, about 1/4 to 1/3 inch thick. Keep the skin on for best texture.
  3. Place the cut sweet potatoes in a large bowl and cover them completely with cold water. Soak for at least 30 minutes, or up to 2 hours, to remove excess starch. Drain the water completely.
  4. Dry the sweet potato fries thoroughly using paper towels or a clean kitchen towel. This step is critical for crispiness.
  5. In the same bowl, toss the dry fries with cornstarch until lightly coated.
  6. Drizzle the fries with olive oil and toss again until evenly coated.
  7. Spread the fries in a single layer on the prepared wire rack. Do not let them touch each other.
  8. Sprinkle evenly with salt, pepper, and paprika.
  9. Bake for 15 minutes. Flip the fries carefully.
  10. Return to the oven and bake for another 10 to 15 minutes, or until the fries are deeply golden brown and crisp.

Notes

  • Soaking and drying the potatoes removes surface starch, which prevents steaming and promotes crisping.
  • Using a wire rack allows air to circulate around the fries, preventing the bottoms from becoming soggy.
  • Do not overcrowd the rack; work in batches if necessary.
  • For extra crispiness, you can increase the oven temperature to 450 degrees Fahrenheit for the last 5 minutes, watching closely to prevent burning.

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