Use a mandoline or knife to cut the potatoes into French fry-shaped pieces.
6 large russet potatoes
Transfer the pieces to a large bowl filled with cold water. Allow the fries to soak for at least 1 hour. Rinse the fries off in a colander.
Transfer to a baking sheet lined with a paper towel. Pat the fries dry with additional paper towels.
Dispose of the paper towel, so just the potatoes remain on the baking sheet.
Preheat air fryer to 380°F.
Drizzle the potatoes with olive oil and sprinkle with salt.
¼ cup olive oil, Kosher salt
Arrange 1 batch of fries in an even layer in the air fryer.
Cook for 8-10 minutes until golden brown and crispy.
Transfer to a new baking sheet and place in a warm oven so they stay warm and crispy.
Repeat with the remaining fries.