For a rich and earthy flavor, try this mushroom and Swiss air fryer grilled cheese recipe. Start by sautéing sliced mushrooms in a pan until golden brown. Butter two slices of bread and layer with Swiss cheese and sautéed mushrooms. Place the sandwich in the air fryer and cook at 375°F for about 5 minutes, or until the bread is crispy and the cheese is melted. The combination of nutty Swiss cheese and savory mushrooms will satisfy your cravings for a hearty grilled cheese sandwich.