Seafood in coconut & lemongrass broth

Looking for a new way to enjoy seafood? Whip up this fragrant coconut and lemongrass broth and add fresh mussels, crab and prawns - you won't be disappointed.

  • 55 mins preparation (plus cooling)
  • Serves 4
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  • 1 spanner crab (325g), placed in freezer
  • 1 litre (4 cups) fish stock
  • 400 grams can diced tomatoes
  • 300 grams skinless ling fillets, cut into 3cm pieces
  • 8 large uncooked king prawns, (560g), peeled, deveined, with tails intact
  • 300 grams black mussels, scrubbed, beards removed
  • 270 ml can coconut cream
  • 2 tablespoons fish sauce
  • 2 tablesoons lime juice
  • 2 tablespoons palm sugar
Lemongrass spice paste
  • ¼ cup (60ml) vegetable oil
  • 4 shallots, chopped coarsely
  • 4 cm piece fresh ginger, chopped
  • 3 cloves garlic, crushed
  • 2 stalks fresh lemongrass, white part only, chopped coarsely
  • 1 fresh long red chilli, chopped coarsely
  • 1 bunch fresh coriander, roots trimmed, leaves reserved


  • 1
    Poach crab in a saucepan of simmering water for 10 minutes; transfer to a plate and leave to cool. When cool enough to handle, pull out the hard shell; remove and discard outside gills of crab. Rinse crab; cut into quarters and set aside.
  • 2
    Meanwhile, make lemongrass spice paste.
  • 3
    Heat a wide heavy-based saucepan over medium heat. Add lemongrass spice paste; cook, stirring, for 5 minutes. Add stock and tomatoes. Bring to the boil; simmer for 20 minutes. Add fish and prawns; cook for 2 minutes. Add crab and mussels; cook, covered, for a further 2 minutes or until seafood is just cooked.
  • 4
    Turn off heat; remove some seafood from pan, if necessary. Stir through coconut cream, fish sauce, lime juice and palm sugar. Return seafood to pan.
  • 5
    Scatter seafood broth with reserved coriander leaves from lemongrass spice paste; serve.
Lemongrass spice paste
  • 6
    Blend oil, ¼ cup (60ml) water, shallot, ginger, garlic, lemon grass, chilli and coriander roots until a coarse paste forms; reserve the coriander leaves for serving.


Some mussels might not open after cooking – these may not have cooked as quickly as the others – and some will not open even after excessive cooking. Do not discard these; just pry open carefully with a knife and cook a little more.

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