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.