Mud Crab with Mustard Sauce from Tony Bilson's Recipe Book by Tony Bilson

Ingredients

• ⅓ cup chopped parsley
• 150 ml chardonnay
• ¼ tsp cayenne pepper
• 50 ml cognac
• 150 ml fish stock
• 100 ml cream
• 3 tbl French mustard
• salt
• 2 egg yolks
• 4 kg mud crab, legs detached and claws cracked
• 6 shallots, finely-chopped
• 100 g butter
• 3 sprigs thyme
• 2 cloves garlic, crushed
• ground black pepper
• 1 bay leaf