Mix beef, pork, breadcrumbs, Parmesan, egg, garlic, parsley, salt, and pepper. Taste and adjust seasoning. Form 24–30 small meatballs.
Bake at 375°F for 12–15 min or fry 6–8 min.
Sauté onion, carrots, and celery in olive oil 5–7 min; add garlic 1 min.
Add broth, salt, pepper, and flakes; boil, then simmer. Add pasta; cook 5–7 min.
Add greens and meatballs; simmer 2–3 min. Taste and adjust broth.
Serve in white ceramic bowls with Parmesan, parsley, bread, and wine.