Now that you have your ingredients ready, let’s move on to the step-by-step instructions to make these delightful pizza rolls.

Making the Dough

1. Preheat the Oven:
   Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper or lightly grease it with olive oil.
2. Prepare the Work Surface:
   Dust your work surface with a little flour to prevent the dough from sticking.
3. Roll Out the Dough:
   Take the pizza dough and roll it out into a large rectangle, approximately 12×16 inches in size. Ensure the dough is evenly thin to achieve a crispy texture.

Assembling the Pizza Rolls

4. Spread the Sauce:
   Evenly spread the marinara or pizza sauce over the rolled-out dough, leaving about a 1-inch border uncoated on all sides.
5. Add Cheese and Toppings:
   Sprinkle the mozzarella and Parmesan cheese over the sauce. Add the chopped pepperoni, onions, and bell peppers. Sprinkle with oregano and red pepper flakes for an added kick.
6. Roll the Dough:
   Starting from one of the longer edges, carefully roll the dough into a tight log. Use a little water along the edge to seal the seam.
7. Slice the Rolls:
   Using a sharp knife, slice the log into 1-inch thick rounds. You should get approximately 16 rolls.

Baking the Pizza Rolls

8. Arrange on Baking Sheet:
   Place the rolls cut-side up on the prepared baking sheet, ensuring they’re spaced apart to allow for even cooking.
9. Apply Egg Wash:
   In a small bowl, whisk together the egg and water. Brush this egg wash over the rolls to give them a golden, crispy finish.
10. Bake:
    Bake the rolls in the preheated oven for 15-18 minutes, or until they’re golden brown and the cheese is bubbly.
11. Cool Before Serving:
    Once baked, allow the rolls to cool on a wire rack for a few minutes before serving.