Essentials: Spaghetti and Meatballs

1/2 pound ground veal

1/2 pound ground pork

1 pound ground beef

1 cup fresh white breadcrumbs (made from 4 slices, crusts removed)

1/4 cup seasoned dry bread crumbs

2 tablespoons chopped fresh flat-leaf parsley

1/2 cup freshly grated Parmesan cheese

2 teaspoons kosher salt

1/4 teaspoon ground nutmeg

1 extra-large egg, beaten

Vegetable oil

Olive oil

For the sauce:

1 tablespoon good olive oil

1 cup chopped yellow onion (1 onion)

1 1/2 teaspoons minced garlic

1/2 cup good red wine, such as Chianti

1 28-ounce can crushed tomatoes, or plum tomatoes in puree, chopped

1 tablespoon chopped fresh flat-leaf parsley

1 1/2 teaspoons kosher salt

1/2 teaspoon freshly ground black pepper

For serving:

1 1/2 pounds spaghetti, cooked according to package directions

Freshly grated Parmesan cheese