These pork and onion meatballs are a delicious and flavorful dish that is perfect for a hearty meal. The meatballs are made with a combination of ground pork, onions, and breadcrumbs, which gives them a tender and juicy texture. They are then cooked in a rich and tangy tomato sauce, which adds a burst of flavor to the dish. Serve these meatballs with pasta or crusty bread for a satisfying and comforting meal.