Heat a large skillet to medium high heat. Drizzle with olive oil and add the onion and garlic. Stir for 30 seconds before adding the remaining ingredients. Wine, vegetable stock, salt and pepper, Worcestershire sauce, Italian herbs, chilli flakes, oregano, parsley, basil and tomato paste. Stir until mixture begins to bubble. Add the meatballs and place the lid on top. Lower to medium heat and allow to cook for 10 minutes.