Preheat the Oven Preheat your oven to 400°F.
Prepare the Muffin Pan Spray a muffin pan with nonstick cooking spray.
Cut the Mozzarella Cut the mozzarella cheese into 12 even cubes.
Cut the Dough Cut the refrigerated pizza dough into 12 equal squares.
Assemble the Filling Top each dough square with a teaspoon of pizza sauce, a pepperoni slice, and a cheese cube.
Seal the Dough Fold the dough edges around the filling and pinch to seal them tight.
Place in Muffin Pan Place each sealed dough ball seam-side down in the prepared muffin pan.
Bake to Perfection Bake the pizza bombs in your preheated oven for 15-18 minutes.
Prepare the Garlic Butter Melt the butter and mix it with Italian seasoning in a small bowl.
Brush and Serve Brush the baked pizza bombs with the garlic butter mixture and sprinkle grated Parmesan on top.