# Step-by-Step Instructions:
01 - Preheat the air fryer to 390°F for 3 minutes.
02 - Place the frozen mozzarella sticks in a single layer in the air fryer basket, ensuring space between each stick.
03 - Cook for 6 to 8 minutes, shaking the basket halfway through, until golden and crispy.
04 - Remove the sticks immediately and let them cool for 1 to 2 minutes.
05 - Serve with warm marinara sauce and garnish with fresh basil if desired.