01 - Spread 1 tablespoon butter on one side of each bread slice.
02 - Place two bread slices, buttered side down, on a clean surface.
03 - Spread 2 tablespoons pizza sauce on the unbuttered side of each slice.
04 - Layer with mozzarella cheese, pepperoni slices, and a sprinkle of Parmesan, oregano, and basil.
05 - Top with the remaining bread slices, buttered side up.
06 - Heat a nonstick skillet over medium heat.
07 - Place sandwiches in the skillet. Cook 3–4 minutes per side, pressing gently, until bread is golden brown and cheese is melted.
08 - Remove from skillet, let cool slightly, slice, and serve.