For the cucumber sauce: Prep this sauce before poaching the fish—it makes plenty for eight fillets. 1 cucumber, peeled, seeded, and finely chopped 1/4 teaspoon each salt, sugar, and white wine vinegar ...
(1/2 cup) rice/wine vinegar 5% 1 tsp salt 1 tbsp sugar 1 tsp chicken stock (optional) 1 cucumber 1 plantain ( or Vietnamese ...