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The Ultimate Crispy Roasted Sweet Potatoes: Simple Technique for Perfect Caramelization

A white plate piled high with perfectly caramelized and slightly charred roasted sweet potato cubes.

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Learn the best way to roast sweet potatoes to achieve tender insides and irresistibly crispy edges every time. This simple sweet potato side dish is perfect for weeknight dinners or holiday meals.

Ingredients

Scale
  • 3 large sweet potatoes, scrubbed clean
  • 3 tablespoons olive oil
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon smoked paprika (optional, for color and depth)
  • 1 tablespoon maple syrup (optional, for extra caramelization)

Instructions

  1. Preheat your oven to 425 degrees Fahrenheit (220 degrees Celsius). You need high heat for crispy results.
  2. Prepare the sweet potatoes: You can cut them into 1-inch cubes or 1/2-inch thick wedges. Ensure all pieces are roughly the same size for even cooking.
  3. In a large bowl, toss the sweet potato pieces with the olive oil until they are fully coated.
  4. Add the kosher salt, black pepper, garlic powder, and smoked paprika (if using). Toss again until the spices stick evenly to the potatoes. If you want a sweeter flavor, drizzle the maple syrup over the potatoes now and toss one last time.
  5. Spread the seasoned sweet potatoes onto a large, rimmed baking sheet in a single layer. Do not overcrowd the pan; use two sheets if necessary. Crowding steams the potatoes instead of roasting them.
  6. Roast for 20 minutes.
  7. Remove the pan from the oven and use a spatula to flip the sweet potato cubes or wedges.
  8. Return to the oven and roast for another 10 to 15 minutes, or until the edges are deeply caramelized and crispy, and the inside is fork-tender.
  9. Serve immediately as a healthy roasted vegetable side dish.

Notes

  • For the crispiest roasted sweet potato cubes, soak the cut potatoes in cold water for 30 minutes before drying them completely. Removing surface starch helps them crisp up.
  • If you are making these for meal prep, store them 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.
  • To make a savory sweet potato side variation, skip the maple syrup and add 1/2 teaspoon of onion powder and a sprinkle of grated Parmesan cheese during the last 5 minutes of cooking.

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