Preheat oven to 375 degrees and line a baking sheet with foil or parchment paper.

Cut bread ⅔ of the way down into squares.

Cover in tomato sauce.

Stuff cheese and pepperoni in between squares.

Sprinkle with a bit more cheese.

Bake until cheese is melted and bubbly about 18-20 minutes.

Sprinkle with chopped parsley and serve warm.