Preheat the oven to 350°F. line a rimmed baking sheet with foil and set aside.
In a large bowl, mix together the meatloaf ingredients until fully combined.
Form a loaf on the prepared baking sheet with the meatloaf mixture.
Spread the pizza sauce on top of the meatloaf. Sprinkle 1 cup Mozzarella cheese on top. Top with sliced pepperoni.
Form a tent using foil over the meatloaf, making sure the foil does not touch the cheese.
Bake in the preheated oven for 1 hour. Remove the foil and cook for an additional 10-15 minutes.