This classic British recipe layers smoked and fresh haddock in a creamy dill sauce for a comforting supper. It combines delicate white fish and succulent prawns to create a rich, warming dish the whole household will enjoy.
Prepare ahead to save time on busy days; the pie is easy to assemble and leaves you free to welcome guests. High-quality ingredients make a clear difference, so choose the best haddock and fresh dill you can find.
Ideal for gatherings, this pie is a reliable standby for family meals and shows how a simple sauce and good seafood can lift a home-cooked supper. Follow the steps and you will have a memorable, aromatic dish on the table.
Key Takeaways
- Classic British comfort food that suits family dinners.
- Combines smoked and fresh haddock with tender prawns.
- Fresh dill lifts the creamy sauce and adds aroma.
- Can be prepared ahead for stress-free hosting.
- High-quality fish makes a noticeable difference.
Why You Will Love This Mary Berry Fish Pie With Prawns
Simple techniques and good ingredients turn humble seafood into a memorable family meal.
The Appeal of Classic Comfort
This recipe balances delicate white fish and sweet prawns in a creamy sauce that feels rich but not heavy. The mashed potato topping is smooth and comforting, giving a lovely textural contrast to the tender filling.
Make-ahead friendly, it frees you to enjoy evenings with loved ones. It suits busy family schedules and cosy dinners alike.
Why This Recipe Works
Mary Berry’s approach favours good seasoning and careful cooking. A stovetop sauce gives control over texture, then oven baking sets the filling and browns the topping for reliable results.
“A well-made pie sings of clean flavours and pleasing texture more than heavy spices.”
- Stovetop then oven method ensures a smooth, well-set filling.
- The creamy sauce complements tender seafood without overpowering it.
- Perfect for baking ahead and reheating for family meals.
| Feature | Benefit | Why it matters |
|---|---|---|
| Stovetop sauce | Controlled thickness | Prevents a watery filling |
| Oven finish | Golden, set topping | Attractive presentation and texture |
| Make-ahead | Time-saving | Ideal for family dinners and guests |
Essential Ingredients for Your Fish Pie
Gathering the right storecupboard staples makes all the difference to a successful seafood bake. For this mary berry fish pie you will need clear quantities so preparation is quick.
Key fresh items include 1kg of potatoes for the mashed topping, 500g of white fish fillets (cod, haddock or salmon) and 200g of raw prawns for the filling.
Pantry essentials are simple: 50g unsalted butter, 50g plain flour and 600ml milk to make a smooth roux and sauce. Keep salt, black pepper and fresh dill nearby to season as you cook.
- Use 1kg potatoes — they give a creamy, stable topping.
- Choose 500g white fish for flavour and texture.
- Make the sauce with 50g butter, 50g flour and 600ml milk.
- Add grated cheddar to the mash if you like a golden finish.
These ingredients are easy to source and make this fish pie reliable for family meals.
Preparing the Perfect Fish Filling
Choose the freshest fillets you can find to build a filling that tastes bright and true. Selecting 500g of fillets — cod, haddock or salmon — sets a firm foundation for a quality filling.
Selecting the Best Fish
Place the fish chunks in a pan and cover with 600ml of hot milk. Add a bay leaf and poach for a few minutes until just cooked; this keeps the flesh tender and moist.
For the potatoes, boil 1kg in salted water for 15–20 minutes until soft. Drain well and set aside to mash later with butter and a splash of milk for a smooth topping.

Add a tablespoon of lemon juice to the poached fish to lift the flavour and cut through the richness of the sauce. Keep the prawns raw until you assemble the dish so they stay juicy and do not become rubbery during baking.
- Season the filling carefully with salt and black pepper.
- Flake the poached fish gently to keep some texture in the filling.
- Reserve the poaching milk to help make the sauce smoother.
Creating the Creamy Sauce Base
Start the sauce with 50g of butter melted gently in a pan. Add a chopped onion and cook until soft and translucent. This brings natural sweetness to the filling.
Add 50g of plain flour and stir for about 1 minute to remove any raw taste. Then, gradually whisk in the reserved hot milk so the sauce stays smooth and lump-free.
Once it begins to thicken, pour in 100ml of double cream for a luxurious finish. Keep stirring until the sauce is glossy and coats the back of a spoon.
Season well with salt and black pepper. Stir in a tablespoon of lemon juice to brighten the sauce and balance the richness.
Finish by folding in chopped dill and parsley for a fresh, herbal lift that works beautifully with haddock and other white fish. The sauce is now ready to join the filling and top with mash before baking.
Assembling and Baking Your Dish
A methodical assembly and a steady bake ensure a creamy centre and a crisp, browned surface. Start by spreading the sauce and flaked fillets in an even layer. Scatter the raw prawns over the top so they cook gently in the oven heat.
Tip: Leave a little space between pieces so heat circulates and the filling sets without becoming watery. Spoon the mash over the filling, starting at the edges to seal in the sauce.
Use a fork to create texture on the mash; this helps it brown attractively. Bake in a preheated oven until the top is golden and the filling bubbles at the edges. Rest for five minutes before serving to let the juices settle.
| Step | Action | Why it matters |
|---|---|---|
| Layer filling | Even spread of sauce and fish | Ensures consistent texture and flavour |
| Add prawns last | Place raw on top of filling | Prevents overcooking and keeps them tender |
| Top with mash | Seal edges and texturise | Helps retain moisture and produce a golden crust |
| Bake and rest | Bake until bubbling, rest 5 mins | Filling sets; easier to serve clean slices |

This comforting dish combines flaky haddock and pink prawns in a creamy, stable sauce made from butter, flour and hot milk. Fold the cooked fish and prawns into the thickened sauce, then spread a smooth mashed potato topping over the filling. Use a fork to create ridges so the top crisps up beautifully in the oven.
Boil the potatoes in salted water and drain well before mashing with butter and warm milk for a light, fluffy finish. When baking, watch for bubbling at the edges and a golden top; these cues show the filling is set and the topping is done.
Leave the pie to rest for a few minutes after baking so the filling firms and serving is easier. For the full recipe and extra tips on preparation and baking times, see the detailed guide at Mary Berry Christmas fish pie.
Key Takeaways
- Fold fish and prawns into a roux-based sauce to bind the filling.
- Boil potatoes in salted water, drain well, then mash until smooth.
- Create textured ridges on the mashed top for a crisp finish.
- Bake until the edges bubble and the topping is golden.
- Let the pie rest briefly to allow the filling to set before serving.
Pro Tips for a Golden Topping
A confident mash technique and a quick cheddar boost will give your topping a pro finish. These small steps help the whole dish look and taste better when baking. Follow the sequence and keep the filling slightly cooled before topping.
Achieving the Perfect Mash
Use high-quality potatoes and boil them until very tender. Drain well and return to the pan to steam off excess moisture.
Add a generous knob of butter and mash until smooth. Stir in a tablespoon of warm milk if needed for creamy texture.
Getting That Golden Finish
Scatter a tbsp of grated cheddar into the mash for extra flavour and a deeper colour. Use a fork to create ridges on the top; these brown beautifully in the oven.
“A textured top crisps more quickly and gives a satisfying contrast to the soft filling.”
| Tip | Action | Result |
|---|---|---|
| Mash quality | Use starchy potatoes and butter | Smooth, pipeable topping |
| Cheddar boost | Add 1 tbsp grated cheddar to mash | Richer flavour and golden crust |
| Texturing | Fork ridges on the top | Even browning and crisp peaks |
| Timing | Cool filling before adding mash | Prevents sinking and keeps layers defined |
Customising Your Seafood Recipe
Customising the filling lets you adapt the dish to seasonal produce and family tastes.
Small changes make a big difference. Add peas or baby spinach to the filling for colour and vitamins. Carrot batons offer a sweet crunch that pairs well with a creamy sauce.
Adding Extra Vegetables
Swap the onion for sliced leeks if you want a deeper, sweeter base that stands up to smoked haddock or salmon. Stir in a tbsp of fresh dill or chives to brighten the flavour before you add the prawns or cod.
You can mix grated cheddar into the mash topping or choose a flour and butter roux with more milk for a silkier sauce. Try different potato varieties to change the texture of the mash and the way the top browns in the oven.
“A few seasonal swaps keep this recipe fresh and perfect for family meals.”
| Swap | Action | Result |
|---|---|---|
| Peas / Spinach | Fold into filling | Colour, vitamins, texture |
| Salmon / Smoked haddock | Replace white fish | Richer, smokier flavour |
| Leeks | Use instead of onion | More depth in sauce |
| Cheddar in mash | Stir 1 tbsp into mash | Golden, savoury topping |
Storing and Reheating Leftovers
A little care with storage and reheating keeps the topping golden and the sauce smooth. Once cooled, cover the dish tightly and refrigerate for up to 2 days. This prevents the potato topping from drying out and keeps the creamy filling fresh.
To reheat: place the pie in a preheated oven covered with foil. Warm until hot throughout; use the oven rather than the microwave to preserve texture. For even heating, allow extra oven minutes if the dish is deep or chilled hard.
Avoid microwaving large portions, as it can make the mash soggy and affect the overall quality of the dish. If time allows, reheat from room temperature for a few minutes less than from cold.
Freezing tip: freeze the unbaked pie for up to one month. Label it clearly with the date and bake from thawed or frozen at the correct oven minutes stated in the recipe. A fan oven may need slightly less time; check the edges for bubbling and the centre for a hot filling.
- Store in the refrigerator for up to 2 days in an airtight container.
- Reheat in the oven covered with foil until piping hot throughout.
- Do not microwave large portions to avoid a soggy mash.
- Freeze unbaked for up to 1 month; label and follow oven minutes when baking.
Conclusion
Strong, follow a few steady steps and you will serve a creamy, crowd-pleasing dish that suits any family table.
This mary berry recipe is timeless and reliable. It combines simple techniques and good produce to create deep, comforting flavour in under familiar minutes.
Tip: let the bake rest for a few minutes before slicing so the filling sets and portions are clean. Whether for special dinners or quick weeknight meals, this dish stands among trusted recipes you will return to again.
FAQ
What pan size is best for this Mary Berry fish pie with prawns?
Which fish varieties work well in this recipe?
Can I use pre-cooked prawns or should they be raw?
How do I make a silky, lump-free mashed potato topping?
What’s the best way to thicken the creamy sauce?
How long should I bake the assembled pie?
Can I prepare the pie ahead and freeze it?
How should leftovers be stored and reheated?
Any tips for getting a golden, slightly crispy mash top?
How can I add more vegetables to the filling without making it watery?
Is it necessary to skin and debone the fish before baking?
Can I replace dairy in the sauce and mash for a lighter version?
Mary Berry Fish Pie With Prawns
This classic British recipe layers smoked and fresh haddock in a creamy dill sauce for a comforting supper. It combines delicate white fish and succulent prawns to create a rich, warming dish the whole household will enjoy.
Ingredients
- 1 kg potatoes
- 500 g white fish fillets (cod, haddock or salmon)
- 200 g raw prawns
- 50 g unsalted butter
- 50 g plain flour
- 600 ml milk
- 1 bay leaf
- Salt
- Black pepper
- 1 tablespoon lemon juice
- 1 chopped onion
- 100 ml double cream
- Fresh dill
- Fresh parsley
Method
- Place the fish chunks in a pan and cover with 600ml of hot milk. Add a bay leaf and poach for a few minutes until just cooked.
- Boil 1kg of potatoes in salted water for 15–20 minutes until soft. Drain well and set aside to mash later with butter and a splash of milk.
- Add a tablespoon of lemon juice to the poached fish to lift the flavour. Season the filling carefully with salt and black pepper.
- Melt 50g of butter in a pan, add a chopped onion and cook until soft. Stir in 50g of plain flour and gradually whisk in the reserved hot milk.
- Once the sauce begins to thicken, pour in 100ml of double cream and season with salt and black pepper. Stir in chopped dill and parsley.
- Spread the sauce and flaked fish in an even layer in an ovenproof dish. Scatter the raw prawns over the top.
- Spoon the mashed potatoes over the filling, starting at the edges to seal in the sauce. Use a fork to create texture on the mash.
- Bake in a preheated oven at 200°C (180°C fan) for about 25–30 minutes until the top is golden and the filling bubbles at the edges.
- Let the pie rest for five minutes before serving.
