Preheat the oven to 400 degrees Fahrenheit. Line a baking sheet with parchment paper and set aside.
Butter the bread and sprinkle with garlic powder. Bake the bread on the prepared baking sheet for 5 minutes.
16 ounces French Bread, 1/4 cup butter, 1/2 teaspoon garlic powder
Top the baked bread with pizza sauce, being careful not to add too much; you may not use the full amount.
1 cup pizza sauce
Top with cheese and pepperoni. Then add the Parmesan cheese.
8 ounces mozzarella cheese, 2 ounces pepperoni, 1/4 cup Parmesan cheese
Bake for 10 to 15 minutes or until the edges are golden brown and the cheese is bubbling.