1. In a large pot, add the pork knuckle chunks and enough water to cover. Bring to a boil, then reduce to a simmer and cook for 10 minutes. Drain and rinse the pork knuckle to remove impurities.
2. Refill the pot with 2 liters of water. Add the cleaned pork knuckle, artichokes, onion, and garlic. Bring to a boil, then reduce to a simmer.
3. Simmer for about 2 hours or until the pork is tender and the artichokes are cooked through.
4. Season with fish sauce, salt, and pepper to taste. Serve hot.
Notes
This soup is perfect for a cozy meal. Serve with rice or crusty bread.