Fish pie is a traditional British dish. The pie is usually made with white, often smoked, fish (for example cod, haddock or halibut) in a white sauce or cheddar cheese sauce made using the milk the fish was poached in. Prawns and hard boiled eggs are other common additional ingredients. It is oven-baked in a deep dish but is not usually made with the shortcrust or puff pastry casing that is associated with most savoury pies (e.g.