01 -
Set oven to 200°C and line a baking sheet with parchment paper.
02 -
Roll out pizza dough into a 25 by 35 cm rectangle.
03 -
Distribute shredded mozzarella evenly over the dough, leaving a 2.5 cm border.
04 -
Arrange pepperoni, salami, and deli ham slices evenly on top of the cheese.
05 -
Sprinkle Italian seasoning and garlic powder evenly over the layered meats.
06 -
Roll dough lengthwise into a log and seal edges thoroughly to enclose fillings.
07 -
Place stromboli seam-side down on the baking sheet and brush surface with melted butter.
08 -
Bake in the preheated oven for 20 to 25 minutes until the crust is golden brown.
09 -
Allow to rest for 5 minutes before slicing; serve warm with marinara sauce on the side.