A deeply aromatic, slow-simmered bone broth perfumed with charred ginger, star anise, and cinnamon, ladled over silky noodles and fresh herbs.
Simmer the fish stock with lemongrass, ginger, and turmeric for 15 minutes.
Lower the catfish chunks into the broth and poach gently for 6 minutes.
Stir in fish sauce and taste for balance.
Divide the vermicelli between bowls and ladle over the fish and broth.
Top generously with fresh dill and spring onions.