Preheat oven to 350° F. In a large bowl, combine beef, pork, onion, garlic, bell pepper, egg, tomato paste, oregano, basil, and salt.
Cut a piece of aluminum foil about 16 inches long. Pat ground meat mixture onto aluminum foil, covering foil (mixture will be about 1/4 to 1/2 inch thick. Place mozzarella on meat mixture to cover. Next, place salami over cheese, also to cover. Roll up ground meat mixture jelly-roll fashion, peeling mixture from foil as it is rolled.
Press ends together to seal in filling. Place ground meat roll on a baking sheet with sides and sprinkle with Parmesan. Bake until browned - 35 minutes. Let rest 5 minutes before cutting. To serve, slice about 3/4 inch thick. Accompany with Fresh Tomato Sauce.Servings: