Peel the sweet potatoes if desired
Cut into even fry-shaped sticks
Soak in cold water for 20 to 30 minutes
Drain and pat completely dry
Toss with a little oil
Season with salt and any desired spices
Preheat the air fryer to 375°F to 400°F
Place fries in a single layer in the basket
Air fry for 12 to 18 minutes
Shake the basket halfway through cooking
Cook in batches if needed
Remove when crisp and golden
Serve immediately