01 - In a mixing bowl, dissolve granulated sugar and active dry yeast in warm water. Let stand for 5 minutes until the mixture becomes bubbly.
02 - Incorporate all-purpose flour, olive oil, and salt. Mix and knead by hand or machine for 5 to 7 minutes until smooth and elastic. Cover and let rest in a warm environment for 1 hour, or until doubled in size.
03 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
04 - On a lightly floured surface, roll out the dough into a 10x14-inch rectangle.
05 - Evenly distribute shredded mozzarella, sliced pepperoni, dried oregano, and garlic powder across the rolled dough.
06 - Starting from the long end, roll the dough tightly into a log. Slice evenly into 12 pieces.
07 - Transfer rolls, seam side down, onto the prepared baking sheet. Brush with melted butter and sprinkle with grated Parmesan cheese.
08 - Bake in the preheated oven for 18 to 20 minutes, until golden brown and cooked through.
09 - Serve warm with marinara sauce for dipping, if desired.