Preheat your oven to 400°F (200°C). Line a large baking sheet with parchment paper for easy cleanup. This prevents sticking and makes transfer simple.

In a small bowl, combine the melted butter, finely minced garlic, salt, black pepper, and optional red pepper flakes. Stir everything together until well combined. This is your flavor powerhouse!

On the prepared baking sheet, unroll or gently stretch the room temperature pizza dough into a roughly 10x14-inch rectangle. Using a pastry brush, evenly brush about two-thirds of the garlic butter mixture over the entire surface of the dough.

Generously sprinkle the shredded mozzarella and grated Parmesan cheese evenly over the buttered dough. Now, using a pizza cutter or a sharp knife, cut the dough lengthwise into 1-inch wide strips. Don't separate them yet; keep them together on the sheet.

Transfer the baking sheet to the preheated oven and bake for 12-15 minutes, or until the breadsticks are puffed, golden brown around the edges, and the cheese is melted, bubbly, and slightly caramelized.

Once out of the oven, immediately brush the remaining garlic butter over the hot breadsticks. This adds an extra layer of garlicky goodness. Sprinkle with fresh chopped parsley. Separate the strips and serve warm with your favorite marinara sauce for dipping.