Preheat oven to 425°F (220°C) and line a baking sheet with parchment paper.
Peel and cut sweet potatoes into thin fries.
In a bowl, mix cornstarch, garlic powder, paprika, salt, and pepper.
Add sweet potato fries to the bowl and coat them with the mixture.
Drizzle olive oil over fries and toss to coat.
Spread fries in a single layer on the baking sheet.
Bake for 20-25 minutes or until crispy, flipping halfway through.
Serve plain or with your favorite sauce, and enjoy!