Spiced salt-baked prawns

Method

• Step 1
  Preheat oven to 220°C. Bake the salt in a large, heavy-based baking dish for 5 minutes or until warm. Stir in Chinese five spice. Sprinkle with the star anise.
• Step 2
  Bake the tomatoes on the salt for 5 minutes or until just soft. Add the prawns. Bake for 8 minutes or until prawns curl and change colour. Use tongs to transfer to a plate.
• Step 3
  Meanwhile, to make the coriander pistou, process the coriander, oil, pistachio, garlic and lemon rind in a food processor until smooth. Season.
• Step 4
  Whisk the lemon juice, oil and sugar in a bowl. Season.
• Step 5
  Divide coriander pistou, prawns, tomato and watercress among plates. Drizzle over lemon juice mixture.