Heat your oven to 400°F (200°C) and prepare a baking sheet by lining it with parchment paper.
On a floured surface, spread out the pizza dough into a rectangle roughly 12x14 inches.
Arrange a layer of provolone cheese over the dough, then layer the Italian ham or salami, add pepperoni slices, and top with shredded mozzarella, leaving about an inch clear around the edges.
Starting at one long edge, roll the dough up tight like a jelly roll and pinch the seams shut to seal everything inside.
Place the stromboli seam-side down on your baking sheet.
Use a pastry brush to coat the top with melted butter, then sprinkle with garlic powder and Italian seasoning evenly.
Make small diagonal cuts along the top to allow steam to escape while baking.
Bake the stromboli in the oven for 20 to 25 minutes until the crust turns golden and the cheese is melted and bubbly.
Remove from oven and let it rest about 5 to 10 minutes before slicing.
Garnish with chopped fresh parsley if desired, slice, and serve warm alongside marinara sauce for dipping.
