Place the sliced pork meat in a shallow bowl, add the turmeric and fish sauce, and turn to coat the meat, set aside.
In a mortar and pestle, pound the shallots, garlic and chiles into a paste, set aside.
Heat the oil in a wok over medium heat. Add the shallot paste and cook for 3 minutes, or until well softened and translucent. Add the shrimp paste and cook for a minute, then add the sliced pork. Cook stirring and turning for several minutes. Add the chickpea flour, stirring until smooth, and add to the pork. Stir briefly, then add the coconut cream and black pepper and simmer for another 5-7 minutes. Taste and adjust seasoning with fish sauce.
Meanwhile bring a large pot of water to a boil. Add the egg noodles and cook until tender, 45-60 seconds. Drain and transfer to a large bowl.
Add broth to pork mixture and stir until combined over low heat.
Distribue noodles among soup bowls, then ladle the sauce over. Top with shaved cabbage, fried noodles, cilantro, fried shallots and lime wedge.