Cod and vegetable flaky pastry pie with chive sauce | Tesco Real Food

Ingredients

• 400g skinless cod fillet, diced
• 200ml semi-skimmed milk
• 1 bay leaf
• 25g butter
• 1 leek, halved, sliced finely and washed
• 1 large onion, finely sliced
• 1 large courgette, finely diced
• 200g Tesco Lighter ready rolled puff pastry
• 1tbsp parsley, finely chopped
• a little plain flour, for dusting
• 1 small egg, beaten
• 20g butter
• 200ml low-fat crème fraiche
• 1tbsp chives, finely chopped
• juice of ½ lemon
• salt
• pepper
• sprig of parsley, to garnish