This dish reflects the narrator's connection to his Vietnamese heritage, a crucial aspect of his identity as he navigates life in America and his role as a spy.
Mix fish sauce and sugar until sugar dissolves.
Heat oil in a clay pot or heavy saucepan over medium heat.
Add onion and garlic, sauté until fragrant.
Place catfish in pot, pour sauce over, and add water.
Cover and simmer for 20 minutes until fish is cooked.
Garnish with green onions and black pepper before serving.