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Export 4 ingredients for grocery delivery
Step 1
Start by spread butter on the bread and then place it down onto the air fryer basket. Top with the fried onions and sprinkle some Gruyere cheese on top.
Step 2
Butter the top of the bread, and then place it on the sandwich. Set the temperature to 360 degrees F for 3-5 minutes. Then flip the sandwich and air fry for another 3-5 minutes, until the sandwich is toasted on both sides.
Step 3
Plate, serve, and enjoy!