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Dinner · Part 2 of 3: Instructions

Cheesy Stuffed Stromboli with Savory Pepperoni Step-by-step instructions

A warm, golden-brown stromboli sliced open on a wooden board revealing layers of melted mozzarella and pepperoni.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure all ingredients are at room temperature to allow for easier handling of the dough. Clear a large, clean workspace and lightly dust it with flour to prevent sticking. Have your baking sheet prepared with parchment paper and your oven preheated to the correct temperature.

Having all components measured and ready to go streamlines the assembly, ensuring the dough remains pliable while you roll and fill it, which ultimately results in a more professional and well-structured finished dish.

Ingredients at a glance (3)
  • 1 lb stromboli dough, store-bought or made ahead
  • 2 cups shredded mozzarella
  • 4 oz pepperoni slices

Instructions

Dough Preparation

  1. Prepare the dough
    Preheat the oven to 400°F (200°C). On a lightly floured surface, roll the stromboli dough out into a large rectangle, approximately 10 by 14 inches. Ensure the dough is of an even thickness across the entire surface to promote consistent baking throughout the process.
    Look for The dough should be smooth and elastic.
    Tip Use a rolling pin for an even surface.

At the end of this phase, the dough should be rolled out into an even, smooth rectangle. It should feel elastic and pliable, ready to receive the filling. Ensure the surface is lightly floured to allow for easy movement during the subsequent rolling step. If the dough snaps back, let it rest for a few minutes before continuing.

Assembly and Rolling

  1. Fill and roll
    Spread the mozzarella evenly over the rolled dough, leaving a clear one-inch border around all outer edges. Distribute the pepperoni slices uniformly over the shredded cheese layer. Carefully roll the dough tightly into a log, sealing the edges and the ends firmly to prevent any melted cheese from leaking during the baking process.
    Look for The log should be tightly sealed.
    Tip Pinch the seams well with your fingers.

The stromboli log should be tightly rolled with the cheese and pepperoni evenly distributed. The seams and ends must be completely sealed, with no visible gaps.

The log should look uniform in shape, indicating that the filling is secure inside. Ensure the seam is positioned correctly on the bottom to maintain the structural integrity during the bake.

Baking

  1. Bake to perfection
    Place the stromboli seam-side down on a parchment-lined baking sheet. Bake in the preheated oven for 20 to 25 minutes until the exterior is golden brown and crispy. Ensure the internal temperature of the filling reaches 160°F (71°C) to confirm the ground meat filling is properly heated through. Let the stromboli rest for 5 minutes before slicing.
    Look for The crust should be golden brown.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Let it rest to keep the cheese inside.

The finished stromboli should have a crust that is crispy and golden brown across the entire surface. When lifted, it should feel firm and solid. The cheese should be fully melted, and the pepperoni should be heated through. Allow the stromboli to rest for at least five minutes to let the filling settle before slicing.

Common mistakes

A common error is overstuffing the dough, which can lead to the stromboli bursting open during the baking process. Always leave a generous margin around the edges of the dough to facilitate a strong seal.

Another frequent mistake is failing to pinch the seams tightly enough; take extra care to press the dough edges together firmly, as this prevents the cheese from leaking onto the baking sheet.

How to tell it’s done

The stromboli is considered done when the exterior crust turns a deep, uniform golden brown and feels firm to the touch. The internal temperature must reach 160°F (71°C) to ensure the pepperoni filling is thoroughly and safely heated.

Using an instant-read thermometer inserted into the center of the log is the most reliable way to confirm it is ready to be removed from the oven.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made ahead and frozen?
  • Why did the stromboli leak cheese while baking?
  • What is the best way to reheat leftovers to keep the crust crispy?

Also in Part 3: variations (Veggie Delight, Spicy Italian), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)