Good Friday fish pie with Comte mash Serves: 4-6 Ingredients 200g cooked shell-on prawns 250g smoked white fish fillet 175g fresh white fish fillet 175g salmon fillet 350ml whole milk 1 onion, peeled and chopped 1 large carrot, peeled and chopped 1 stick celery, chopped 1 bay leaf freshly ground pepper ½ bunch flat-leaf parsley