01 -
Cut potatoes into 1/4 to 1/2-inch thick slices. Soak in ice water for at least 1 hour or up to 24 hours in the fridge.
02 -
Set air fryer to 390°F and preheat for 15 minutes.
03 -
Drain and dry potatoes thoroughly. Toss with oil, rosemary, salt, and pepper in a bowl.
04 -
Arrange potatoes in air fryer basket. Cook for 10 minutes.
05 -
Shake basket to redistribute fries. Cook for another 10-12 minutes until crispy and golden.
06 -
Let fries cool slightly before serving. Add extra seasoning if desired.