Stuffed Meatballs

Name: Stuffed Meatballs
Ingredients: 1 pound ground pork; 1 pound ground veal; 1 pound ground beef; Salt and freshly ground black pepper; 4 cloves garlic, minced, plus more to taste; 1/4 cup chopped parsley leaves; 2 teaspoons chopped thyme leaves; 4 teaspoons chopped basil leaves; 6 cups fresh bread crumbs; 6 eggs, beaten; 1 cup whole milk; 1/2 pound cooked spaghetti, cooled and chopped into small pieces; 8 cups marinara or other prepared sauce, cooled; 1 cup grapeseed oil; 1/2 cup grated Parmesan