Vietnamese Canh Chua - sweet and sour seafood soup recipe My favorite way to eat this soup is to pour it over a bowl of steamed rice or with vermicelli noodles. Ingredients: 3 pieces of salmon (I used collar and salmon steak) 1/2 cup rice paddy herb (sub with cilantro) 1 cup elephant ear stems (sub with celery) 3 Roma tomatoes 1 cup bean sprouts 1/2 cup pineapple chunks 2 tbsp oil 8 cups water (or chicken stock) 1 medium onion 1/3 cup sugar 1/3 tamarind concentrate 1/3 cup fish sauce 2 tbsp chic