Garlic Parmesan Pizza Grilled Cheese

Warm a large skillet or griddle over medium-low heat.
In a bowl, combine butter, Parmesan, Italian seasoning, garlic powder, and salt.
Spread half of the butter mixture onto one side of 4 bread slices. Place them buttered side down in the skillet.
Spread 1 tablespoon pizza sauce on each slice, then add ¼ cup mozzarella, 6 pepperoni slices, and the rest of the mozzarella.