Classic Meatballs 'Polpettine'

Ingredients

• 2 pound each of ground beef, veal, and pork
• 1 cup chopped fresh flat-leaf parsley
• 4 cloves garlic, finely chopped
• 1/2 cup grated parmesan cheese
• 3 whole eggs
• 1 cup pulsed fresh breadcrumbs
• 1/2 cup whole milk
• olive oil, as needed
• 4 cup homemade classic tomato sauce
• salt and pepper, to taste