01 - Set the oven to 400°F and line a baking sheet with parchment paper.
02 - Slice the loaf lengthwise into two halves and place them cut side up on the baking sheet.
03 - In a mixing bowl, blend softened butter, minced garlic, chopped parsley, salt, and pepper until smooth.
04 - Evenly spread the garlic butter over the cut surfaces of both bread halves.
05 - Sprinkle grated Parmesan evenly atop the buttered bread if desired.
06 - Place in the oven and bake for 10 to 12 minutes, or until edges turn crisp and golden brown.
07 - Broil for 1 to 2 minutes more for extra crunch, watching closely to prevent burning.
08 - Remove from oven, cut into slices, and serve warm.