01 - Wash potatoes and peel if desired. Cut into 1/4-inch thick fries using a sharp knife.
02 - Submerge cut potatoes in cold water for 20-30 minutes to eliminate starch, ensuring crispier results.
03 - Drain potatoes and pat completely dry with clean towels. Moisture removal is critical for achieving crispiness.
04 - In a large bowl, combine dried fries with olive oil, sea salt, and black pepper. Toss until evenly coated.
05 - Set air fryer to 380°F and allow to preheat for 3 minutes before cooking.
06 - Place fries in a single layer in the air fryer basket. Cook in batches if necessary to prevent overcrowding.
07 - Cook for 15-20 minutes, shaking basket halfway through cooking time. Fries are done when golden brown and crispy.
08 - Transfer hot fries to serving dish and immediately sprinkle with additional sea salt. Serve while hot.