Air Fryer Grilled Cheese Sandwich

The Culinary Physics of Convection Toasting

• Convection Evaporation: Unlike skillet frying that can trap steam underneath, an air fryer circulates heated air across the entire sandwich surface, evaporating moisture for a perfectly even crunch.

• Mayo vs. Butter Chemistry: Butter gives a rich classic flavor, but spreading mayonnaise on the outside creates an exceptionally crisp crust. Mayo’s oil withstands high heat without burning, while egg proteins accelerate browning.

• Cheese Rest Period: Letting the sandwich rest for 60 seconds after cooking stabilizes the liquid cheese matrix, preventing the molten center from spilling out when sliced.

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