Spaghetti, cooked to al dente
Parmigiano Reggiano cheese, for topping
Form small, bite-size balls of the meatball mixture and add the sauce (which should be at a low bubbling boil). Simmer the meatballs in the sauce to cook through, 12-15 minutes. Remove the meatballs to a serving bowl. Toss spaghetti cooked to al dente with some sauce, then top with the meatball dumplings and cheese and serve.