01 -
Mix butter, Parmesan, garlic powder and Italian seasoning until smooth.
02 -
Spread garlic butter on one side of each bread slice. Set buttered side up.
03 -
For each sandwich: place 1 bread slice buttered side down in skillet. Layer with 1 slice mozzarella, 6 pepperoni, another mozzarella slice, 6 more pepperoni, and final mozzarella slice. Top with second bread slice, buttered side up.
04 -
Cover skillet and cook over medium-low 3-5 minutes until golden. Flip carefully, cover again, and cook other side until golden and cheese melts.
05 -
Cut sandwiches and serve immediately with warm pizza sauce for dipping.