01 - Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
02 - In a saucepan, bring salted water to a boil and cook elbow macaroni according to package directions. Drain and set aside.
03 - Melt butter in saucepan over medium heat. Whisk in flour and cook for 1 minute. Gradually add whole milk, whisking until thickened, about 2 minutes.
04 - Remove from heat. Stir in shredded cheddar cheese, salt, and black pepper until smooth. Fold in cooked macaroni. Let cool for 10 minutes.
05 - Unroll pizza dough and cut into 12 equal squares using a sharp knife.
06 - Place 1 tablespoon of cooled macaroni mixture in each square. Top with 1 slice pepperoni and 1 cube mozzarella. Gather dough edges around filling and firmly pinch to seal.
07 - Place bombs seam side down on the baking sheet. Brush each with melted butter. Sprinkle evenly with Parmesan cheese and dried Italian herbs.
08 - Bake for 18 to 20 minutes or until golden brown. Allow to cool for 5 minutes before serving.