Cook peppers and onions in butter in a skillet over medium heat for 5 minutes, season to taste, and remove from pan
Chop steakums and add to the pan, season with steak seasoning, drain grease when done
Add peppers and onions back to the meat mixture and let cool
Spread pizza crust on parchment paper and layer with 12 slices of provolone cheese
Spread meat mixture over cheese, leaving room at the edges
Top with 8 ounces shredded mozzarella cheese
Roll up the stromboli using parchment paper to guide, pinching seams together at sides and ends
Flip seam side down and transfer to baking sheet on parchment paper
Brush top with 1 tablespoon melted butter and sprinkle with dried parsley and sesame seeds
Cut slits in the top and bake at 425°F for approximately 20 minutes
Let rest for at least 5 minutes before cutting and serving
