Fry ground beef with chopped onion. Drain off excess grease. Add next 5 ingredients, and saute for 10 minutes. Add soup. Stir until well mixed. Set aside. Take french bread loaf and cut out the top of the crust. Pull out all bread from the middle, making it like a boat. Place meat mixture in cavity and sprinkle with mozzarella cheese. Wrap in foil wrap and place on baking sheet. Bake for 30 minutes at 350°F.