Short Answer:

To cook mozzarella sticks in an air fryer, preheat the appliance to 200°C (390°F). Place the sticks in a single layer in the basket, leaving space between each piece, and cook for 6–8 minutes until golden and crispy.

Flip them halfway through cooking for even browning. The air fryer ensures the cheese melts inside while the outer coating becomes crunchy without excessive oil, giving a healthier and delicious snack.

Detailed Explanation:

Preheating and Preparation

Preheat the air fryer to 200°C (390°F) before cooking mozzarella sticks. Preheating ensures the air fryer reaches an even temperature, which is essential for consistent crispiness and proper melting of the cheese. While preheating, prepare the sticks by lightly spraying or brushing oil on the breadcrumb coating if desired, which helps achieve a golden-brown finish without making them greasy.

Placing Sticks in the Basket
Arrange mozzarella sticks in a single layer in the air fryer basket. Leave small gaps between each stick to allow hot air to circulate. Overcrowding the basket can block airflow, leading to uneven cooking and soggy coating. Proper spacing ensures a crunchy exterior and prevents the cheese from sticking together or leaking out.

Cooking Time and Temperature
Cook the mozzarella sticks at 200°C (390°F) for 6–8 minutes. Check halfway through and flip each stick to ensure both sides are evenly browned. Cooking at this high temperature allows the coating to become crispy while the cheese melts inside. Avoid cooking for too long, as the cheese may leak and burn, resulting in a messy snack.

Maintaining Crispiness
The hot circulating air in an air fryer creates a crunchy texture without the need for deep frying. Avoid covering the basket or using foil, as this traps moisture and softens the coating. If sticks seem slightly dry, a light spray of oil helps enhance the crispiness while keeping them healthier than traditional frying.

Serving Tips
Serve mozzarella sticks immediately after cooking for the best texture. Pair with marinara sauce, ranch, or other dipping sauces to enhance flavor. Eating them fresh ensures the outer crust remains crunchy while the cheese inside stays melted and gooey.

Conclusion:

Cooking mozzarella sticks in an air fryer is quick, convenient, and healthier than deep frying. Preheating, proper spacing, the correct temperature, and cooking time ensure even crispiness and melted cheese. The air fryer produces golden, crunchy, and delicious mozzarella sticks perfect for snacks or parties.