Sinigang na Isda sa Miso at Sampaloc (Fish Stew in Miso and Tamarind Soup)

Ingredients

• freshly ground black pepper
• 800ml water
• fish sauce
• 3 large tomatoes, chopped
• 1 kg Hapuka fish jaws or equivalent, chopped (let your fishmonger do this as the bones are a bit hard if you do it at home)
• 1 packet Tamarind Mix (Sinigang Mix)
• 3-4 tbsp yellow miso
• 1 large red onion, chopped
• 2 pcs radish, sliced
• 1 bunch mustard greens
• 15 pcs okra, sliced