Preheat the oven to 425°F (220°C)
Line a baking sheet with parchment paper
Wash and peel the sweet potatoes if desired
Cut the sweet potatoes into even fry-shaped strips
Pat the fries dry with a paper towel
Toss the fries with oil
Add salt and any desired seasonings
Arrange the fries in a single layer on the baking sheet
Make sure the fries are not touching
Bake for 15 to 20 minutes
Flip the fries halfway through baking
Bake until the fries are tender and lightly browned
Remove from the oven and serve immediately
