To Make Pork Stock
Put pork ribs, water, lemongrass and salt into a pot. Bring to boil and simmer for 1 hr.
To Make Curry Paste
Pound all chillies and salt in a mortal until it becomes a smooth paste.
Add galangal and coriander roots, pound until smooth. Add fermented soybean, garlic and shallot, pound until it becomes a smooth paste.
Add shrimp paste and mix through.
To Make Spicy Pork Sauce
Fry curry paste in hot oil for 2 mins, add minced pork and cook for 3 mins. Then add pork stock and cooked pork bones.
Add all remaining ingredients and bring to boil, then reduce to simmer. Continue to simmer for 10 mins.
To Serve
Place cooked rice noodles on a serving plate and ladle spicy pork sauce to the side. Place the remaining serving ingredients on a small dish and serve the noodles with the side dish.