01 -
Preheat oven to 425°F (218°C). Line a sheet pan with parchment paper or a Silpat.
02 -
In a skillet, heat olive oil and sauté sliced onion and bell pepper. Season with 1 tsp dried Italian seasoning, garlic salt, and black pepper to taste. Cook 3-5 minutes until softened.
03 -
Press pizza dough into a 12 x 16 inch rectangle. Evenly sprinkle with half of the shredded mozzarella cheese.
04 -
Layer chopped grilled sirloin over the mozzarella, then evenly spread sautéed onion and bell pepper mixture on top.
05 -
Drizzle the Parmesan-Peppercorn dressing over the filling, and sprinkle with remaining shredded mozzarella cheese.
06 -
Starting from the widest edge, tightly roll the dough into a log, finishing seam-side down. Transfer carefully onto the prepared sheet pan.
07 -
Brush melted butter over the top and sides. Sprinkle with the remaining 1/2 tsp dried Italian seasoning, garlic salt to taste, and 2 Tbsp grated Parmesan cheese.
08 -
Bake for 18-20 minutes until golden brown. Let rest 5 minutes before slicing.