01 -
In a small mixing bowl, blend softened unsalted butter, grated parmesan cheese, Italian seasoning, garlic powder, and salt until the mixture is uniformly combined.
02 -
Spread a thin layer of pizza sauce or marinara sauce over 4 bread slices. Top each with an even layer of shredded mozzarella cheese and 6 slices of pepperoni. Cover with remaining bread slices to form sandwiches.
03 -
Generously coat the outer sides of each sandwich with the prepared garlic butter mixture.
04 -
Preheat a skillet over medium heat. Grill sandwiches for 3 to 4 minutes per side, pressing gently, until the bread is golden and crisp and the cheese has fully melted.
05 -
Slice sandwiches in half and serve immediately, accompanied by extra warm marinara sauce if desired.