Spread butter or mayonnaise evenly on one side of each slice of bread. This will become the outer, crispy surface of the sandwich. Butter gives a classic flavor, while mayonnaise adds extra golden color and richness.
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Step 2: Assemble the Sandwich
Place one slice of bread butter-side down. Layer the cheese evenly on top, then cover with the second slice of bread, butter-side up. Press gently so everything stays in place.
Step 3: Air Fry to Golden Perfection
Preheat your air fryer to 370°F (190°C). Place the sandwich in the air fryer basket.
