Special Italian Meatballs Recipe

Name: Special Italian Meatballs Recipe
Ingredients: ½ cup plain breadcrumbs; 4 tablespoons milk; ½ pound ground beef; ½ pound veal or pork; 3 cloves garlic, minced; 2 tablespoons finely chopped Vidalia onion; 1 teaspoon salt; 1 teaspoon pepper; 2 teaspoons oregano; 3 tablespoons finely chopped parsley; ½ cup freshly grated Parmesan cheese; 1 egg yolk; ¼ cup olive oil; 4 ounces (about ½ cup) cubed or diced cured pancetta; 1 small onion, diced; 3 to 4 cloves garlic, minced; ½ cup dry red Italian wine, such as Chianti; 1 (28-ounce) can crushed San Marzano tomatoes; salt and pepper, to taste; basil, for serving; grated Parmesan, for serving