Peel and cut 2 russet potatoes into quarter-inch batons. Soak them in cold water for 30 minutes to remove excess starch.
Dry the potatoes thoroughly by patting them with paper towels to ensure crispiness.
Toss the dried potatoes with 1 teaspoon kosher salt, 1 tablespoon oil, and 1 teaspoon cornstarch.
Preheat the air fryer to 380 degrees Fahrenheit. Place the seasoned fries in the air fryer basket.
Cook for 18 minutes, shaking the basket halfway through for even cooking. Optionally, shake them again during the cooking process.
Once done, season with flaky sea salt and serve with your favorite condiment like ketchup or a custom seasoning blend. Enjoy the crispy and fluffy homemade fries!
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