Preheat oven to 350 degrees F.
Combine egg with bread crumbs in bowl. Add splash of milk and gently combine.
Add next 7 ingredients and gently mix with clean hands. Form into loaf.
Pour 1 can of tomato sauce into bottom of cast iron skillet. Place meatloaf into sauce and top with 1 can tomato sauce.
Sprinkle with parsley and bake uncovered for 1 hour. Serve.