01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Lightly dust work surface with flour. Roll pizza dough into a 10x14-inch rectangle.
03 - Sprinkle mozzarella and Parmesan evenly over dough, leaving a 1/2-inch border. Layer pepperoni slices on top of cheese.
04 - Starting from the long edge, roll dough tightly into a log. Pinch seam to seal.
05 - Using a sharp knife, cut the log into 8 equal pieces.
06 - Place each piece cut side up on prepared baking sheet with space between them.
07 - Mix melted butter, garlic powder, and Italian seasoning in a small bowl. Brush generously over tops and sides of rolls.
08 - Bake for 16 to 20 minutes until golden brown and cheese is bubbling.
09 - Remove from oven and sprinkle with parsley. Serve warm with marinara sauce for dipping.