1. In a large bowl, combine ground beef, pork, breadcrumbs, egg, grated onion, garlic, nutmeg, allspice, salt, and pepper. Mix gently until just combined.

2. Roll into 1-inch meatballs. Heat oil in a skillet over medium heat and brown meatballs in batches. No need to cook through.

3. Boil salted water in a large pot. Cook egg noodles until al dente, then drain.

4. In a bowl, mix cream of mushroom soup, beef broth, and sour cream. Add salt and pepper to taste.

5. In a greased baking dish, combine noodles, browned meatballs, and sauce. Stir gently to combine.

6. Cover with foil and bake at 350°F (175°C) for 25 minutes. Uncover and bake another 10 minutes until bubbly and golden.

7. Sprinkle with fresh parsley and serve hot.