Blue swimmer crab bisque - 9Kitchen

Ingredients

• 1 kg blue swimmer (manna) crabs (about 3)
• 1 tbsp olive oil
• 1 small onion, finely chopped
• 1 small carrot, finely chopped
• 1 celery stalk, finely chopped
• 1 each of thyme and flat-leaf parsley sprigs
• 1 fresh bay leaf
• 1 tbsp tomato purée
• 60 ml Cognac
• 200 ml dry white wine
• 2 litres (8 cups) fish stock or water
• 190 ml pouring cream
• To serve: Pernod