Take a frying pan & oil the bottom.
Add pressed cloves of garlic & eggs to the minced meat.
Mix breadcrumbs & dried parsley w/ some water; the breadcrumbs will soak up the water: it shall become a creamy (not liquid!) mess - then add to the minced meat.
Chop the spring onions & add to the minced meat.
Grate the pecorino & add to the minced meat.
Add salt & pepper to taste.
Knead the minced meat until all is incorporated & form small meatballs.
Place the meatballs in the frying pan & fry at high temperature for some minutes; the bottoms of the meatballs should be crispy.
Try to turn the meatballs - attention: it tends to become a mess because the meatballs are rather soft.
In parallel: cook the cellentani in salted water as long as demanded (see package).
Drain & add green pesto immediately.
Add some olive oil or cream if it seems too dry!
Put pasta & meat balls on plates & serve immediately.