01 -
Set a large skillet over medium heat and allow it to preheat for several minutes until evenly hot.
02 -
Spread a thin, even layer of softened unsalted butter on one side of each bread slice.
03 -
Place two slices of bread, buttered side down, onto the preheated skillet. Arrange half of the mozzarella slices on each bottom slice.
04 -
Place a heated breaded chicken cutlet over the mozzarella on each sandwich base.
05 -
Spoon 2 tablespoons of marinara sauce over each chicken cutlet, spreading evenly.
06 -
Layer the remaining mozzarella slices over the sauce, then close each sandwich with a remaining bread slice, buttered side facing up.
07 -
Cook sandwiches for 3 to 4 minutes per side, pressing gently and turning once, until the bread is golden brown and crisp and the cheese is thoroughly melted.
08 -
Remove the sandwiches from the skillet and allow to rest for 1 minute before slicing and serving.