Philly Cheesesteak Stromboli (Printer-Friendly)

Golden stromboli packed with savory roast beef, sautéed vegetables, and creamy provolone cheese.

# What You’ll Need:

→ Dough

01 - 1 thawed frozen white bread loaf (about 680g)

→ Spread

02 - 3 tablespoons mayonnaise
03 - 1 teaspoon garlic powder

→ Vegetables

04 - ½ medium green bell pepper, diced (about 75g)
05 - ½ medium yellow onion, diced (about 75g)
06 - 100g mushrooms, thinly sliced

→ Additional

07 - 2 tablespoons unsalted butter, divided

→ Meat

08 - 227g thinly sliced deli roast beef

→ Cheese

09 - 170g sliced provolone cheese

→ Topping

10 - 1 teaspoon garlic salt
11 - 1 teaspoon sesame seeds
12 - 1 teaspoon dried parsley

# Steps to Make This:

01 - Place frozen white bread dough in a greased bowl, cover with plastic wrap, and let rise in a warm spot until fully thawed and doubled in size, approximately 2 to 3 hours.
02 - Dice the green bell pepper and yellow onion, and thinly slice the mushrooms. Heat 1 tablespoon butter in a skillet over medium heat, sauté vegetables until softened and lightly browned, about 6 minutes. Remove from heat and allow to cool slightly.
03 - Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper or lightly grease it with cooking spray.
04 - On a lightly floured surface, roll the risen dough into a 12 by 18 inch (30 by 45 cm) rectangle, maintaining even thickness without tearing.
05 - Combine mayonnaise and garlic powder in a small bowl and mix well. Spread evenly over the dough, leaving a ½ inch (1.3 cm) border around edges.
06 - Arrange roast beef slices evenly over the mayonnaise. Scatter sautéed vegetables on top, then cover with provolone cheese slices, overlapping as needed.
07 - Starting from a long edge, tightly roll the dough like a jelly roll, tucking in filling as needed. Pinch the seams and both ends firmly to seal completely.
08 - Place the roll seam side down on the prepared baking sheet. Melt remaining 1 tablespoon butter and brush it generously over the top. Sprinkle evenly with garlic salt, sesame seeds, and dried parsley.
09 - Bake for 15 to 20 minutes until golden brown and heated through. Internal temperature should reach 165°F (74°C).
10 - Allow stromboli to rest for 5 minutes to firm up. Slice with a serrated knife and serve warm.

# Additional Notes:

01 - Ensure the dough is fully thawed and risen before rolling to achieve the best texture.
02 - Cooling the sautéed vegetables before assembling prevents soggy dough.
03 - Brushing the top with melted butter contributes to a golden, flavorful crust.

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