01 - Preheat the oven to 425°F and line a baking sheet with parchment paper.
02 - In a large bowl, toss the sweet potato fries with olive oil, smoked paprika, garlic powder, sea salt, black pepper, and cornstarch if using until evenly coated.
03 - Spread fries in a single layer on the prepared baking sheet without crowding.
04 - Roast the fries for 15 minutes, then flip each fry and roast for an additional 12 to 15 minutes until golden brown and crispy at the edges.
05 - Meanwhile, combine mayonnaise, minced chipotle peppers, adobo sauce, lime juice, minced garlic, and salt in a small bowl. Stir until smooth and well blended.
06 - Serve the hot roasted sweet potato fries with chipotle mayo on the side for dipping.