# Method:
01 - Preheat the air fryer to 350°F for 3 minutes.
02 - Evenly spread softened butter on one side of each bread slice.
03 - Place two bread slices, buttered side down, on a clean surface. Top each with two slices of cheese.
04 - Place the remaining bread slices on top, buttered side up, forming sandwiches.
05 - Place sandwiches in the air fryer basket without overlapping.
06 - Air fry for 4 minutes, then carefully flip each sandwich and air fry for an additional 3 to 4 minutes until golden brown and crispy.
07 - Remove sandwiches, allow to cool slightly, slice, and serve.