01 - Preheat oven to 475°F and place a pizza stone or baking sheet inside to heat thoroughly.
02 - On a lightly floured surface, roll out the pizza dough into a 12-inch round. Transfer to a piece of parchment paper.
03 - Spread the pizza sauce evenly over the dough, leaving a 1/2-inch border for the crust.
04 - Sprinkle mozzarella cheese evenly over the sauce base.
05 - Distribute the ground beef, pepperoni, sausage, bacon, and ham evenly over the cheese layer.
06 - Add red onions and bell peppers if desired.
07 - Sprinkle with oregano, crushed red pepper flakes, and black pepper to taste.
08 - Carefully transfer the pizza with parchment to the preheated stone or baking sheet.
09 - Bake for 12–15 minutes until the crust is golden and cheese is bubbly and browned in spots.
10 - Remove from oven, let cool for 2–3 minutes, then slice and serve hot.