Fish Pie

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Introduction

This fish pie layers poached salmon, smoked haddock, prawns, and mussels under a thick, creamy potato topping, then bakes until the surface is golden and bubbling. The fish cooks gently in milk infused with bay leaf, which then becomes part of the sauce binding the filling together. It’s a substantial dish that works as a weeknight dinner or elegant lunch, ready in just over an hour.

Recipe Details

• Prep Time: 20 minutes
• Cook Time: 40 minutes
• Total Time: 60 minutes
• Servings: 4

Ingredients

• 200 g of fresh salmon
• 200 g of smoked haddock
• 100 g prawns
• 100 g mussels
• 5 scallops
• 2 lb (1 kg) potatoes
• Nutmeg
• Butter
• ¼ pt (150 ml) fresh single cream
• 2 bay leaves
• milk
• 50 g Ementhaler or Appenzeller cheese, grated

Instructions

1. Take all the fish and place it all in a saucepan with sufficient milk so that the fish is submerged. Add the bay leaf and a pinch of salt.
2. Poach on a low heat for about 5 minutes
3. Remove the fish from the pan, skin the haddock and the salmon, and flake, using a fork, into pieces. Return to the milk and set aside.
4. Peel and boil the potatoes until they are soft enough to mash. This will take at least 20 minutes of boiling, otherwise the mash may remain lumpy. The potato needs to be mashed very well indeed, and an electric whisk is recommended after the initial crushing of the potatoes.
5. Pour some of the milk into the potatoes so that the taste of fish infuses into it. The mash should not get too runny, but add some of the cream and grate some nutmeg into the potato as well.
6. Put the cooked fish into the bottom of an oven-proof dish, with any remaining milk sauce. The dish should not be too large as it is nice to build a couple of layers of the fish, rather than lay it out in one layer. Once you have done this, pat the fish gently down a little so that it is slightly compacted.
7. Spread the mashed potato over the top of the fish to a height of about 1½ inches (38 mm) making sure it is flat, and not piled up in the middle. Using a fork, ridge the top of the potato as this will make it colour up nicely in the oven.
8. At this stage, if you want, add the grated cheese over the potato, and if you are feeling artistic, decorate the top of the pie with some large peeled prawns around the edge of the fish, and maybe a decoration in the middle.
9. Place the pie in the oven at 220°C and leave for about 30 minutes or so, until the top of the potato/grated cheese is nicely coloured and the potato is bubbling nicely.
10. Remove from the oven and serve immediately.

Variations

• Smoked fish only: Replace the fresh salmon with an additional 200 g of smoked haddock for a deeper, more intense smoke flavor throughout. The pie will be less delicate but more assertively flavored.
• Shellfish-forward: Increase the prawns and mussels to 150 g each and reduce the smoked haddock to 100 g. This shift emphasizes briny sweetness over smokiness and works well if you prefer a lighter fish presence.
• Herb potato topping: Stir 2 tablespoons of fresh parsley or dill into the mashed potato before spreading it over the fish. Fresh herbs add brightness and cut the richness of the cream.
• Without cheese: Omit the grated cheese and rely on the nutmeg-seasoned potato and cream sauce for richness. The pie will brown more gently but remain creamy and well-flavored.
• Leek layer: Add 150 g of sliced and gently softened leeks between the fish layer and the potato topping. Leeks introduce a mild onion sweetness that complements all the seafood.

Tips for Success

• Mash the potatoes thoroughly and use an electric whisk as the recipe suggests. Lumpy potato won’t spread evenly or cook uniformly under the broiler, and it affects the final texture.
• Don’t skip the fork ridging on top of the potato layer. Those ridges brown faster and more evenly, creating visual appeal and textural contrast.
• Watch the oven temperature closely in the final 10 minutes. Once the potato top turns golden and you see bubbling around the edges, it’s done. Overbaking will dry out the filling beneath.
• If your oven-proof dish is shallow or very wide, the potato layer may cook before the filling heats through. A taller, narrower dish (roughly 2-quart capacity) bakes more evenly.
• Serve immediately after removing from the oven. The pie sets as it cools, and the creamy interior firms up, making it harder to portion cleanly.

Storage and Reheating

Reheat in a 180°C oven, covered with foil, for 15–20 minutes until the interior is warm throughout and the potato topping has softened slightly. Alternatively, reheat a single portion in the microwave for 2–3 minutes, but the potato topping will not re-crisp.

FAQ

Can I prepare the pie ahead and bake it later?

Yes. Assemble the entire pie up to 4 hours before baking, cover it with cling film, and refrigerate. Add 5–10 extra minutes to the baking time if baking straight from the fridge, and watch for doneness rather than relying on the stated time.

What if I can’t find scallops or mussels?

Replace the scallops and mussels with an extra 100 g of prawns or use firm white fish such as cod or halibut flaked into chunks. The pie will be less varied in texture but remains delicious and well-balanced.

How do I know when the potato is done mashing?

It should be completely smooth with no visible lumps or graininess, and it should hold a peak briefly when you lift the whisk. Undermashed potato will appear grainy and won’t spread evenly over the fish.

Can I use milk powder or evaporated milk instead of fresh single cream?

Fresh cream adds richness and flavor you won’t replicate with powder, but if you must substitute, use a small amount of whole milk combined with a tablespoon of butter stirred into the potato instead. Avoid substitutes that will thin the mash.