01 -
In a small mixing bowl, combine softened unsalted butter, grated parmesan, Italian seasoning, garlic powder, and salt. Mix until evenly blended.
02 -
Spread a thin layer of pizza sauce or marinara on 4 slices of bread. Distribute shredded mozzarella evenly over the sauced bread slices and top each with 6 slices of pepperoni. Place the remaining bread slices on top to close the sandwiches.
03 -
Generously spread the prepared garlic butter over the outer sides of each assembled sandwich.
04 -
Heat a skillet over medium heat. Grill sandwiches for 3 to 4 minutes per side until the bread is golden, crisp, and the cheese is fully melted.
05 -
Remove from skillet, slice sandwiches in half, and serve immediately with extra warm marinara sauce for dipping if desired.