Ingredients
- 1 lb white fish (such as cod or haddock) (skinless and boneless)
- 1 cup smoked haddock (skinless and boneless)
- 1 cup shrimp (peeled and deveined)
- 2 cups potatoes (peeled and diced)
- 1 cup milk (whole or semi-skimmed)
- 3 tbsp butter (unsalted)
- 2 tbsp flour (all-purpose)
- 1 cup peas (fresh or frozen)
- 1 tsp mustard (Dijon or English)
- 1 tsp lemon juice (freshly squeezed)
- 1 handful fresh parsley (chopped)
- 1 pinch salt
- 1 pinch black pepper
- 1 cup cheddar cheese (grated, for topping)
Instructions
6 steps
Prepare the Potatoes
Boil the diced potatoes in salted water until tender, about 15 minutes. Drain and mash with a little butter and milk.
For a creamier mash, add a splash more milk.Make the Sauce
In a saucepan, melt the butter over medium heat. Stir in the flour to create a roux, then gradually whisk in the milk until smooth and thickened.
Cook for a few minutes to remove the raw flour taste.Add the Seafood
Stir in the white fish, smoked haddock, and shrimp to the sauce. Cook gently for about 5 minutes until the fish is opaque.
Do not overcook the fish, it will continue cooking in the oven.Combine Ingredients
Add the peas, mustard, lemon juice, salt, and pepper to the seafood mixture. Stir well.
If using, add chopped parsley for extra flavor.Assemble the Pie
Transfer the seafood mixture to a baking dish. Top with the mashed potatoes and sprinkle grated cheddar cheese on top.
Use a fork to create a textured surface for extra crispiness.Bake
Preheat the oven to 400°F (200°C) and bake the fish pie for about 25-30 minutes, or until the top is golden and bubbling.
Let it cool for a few minutes before serving.
💡 Tips & Tricks
Storage & Reheating
Refrigerator
Up to 1 day in an airtight container
Freezer
Up to 1 month — thaw overnight in fridge
Gently reheat in a pan over low heat. Avoid microwaving seafood as it can become rubbery.
What to Serve With
Complete your british meal with these perfect pairings:
About This Dish
Authentic British Fish Pie Recipe with Seafood is a beloved dish from British cuisine.
British cuisine has undergone a renaissance, combining traditional comfort dishes with modern innovation. Classic recipes often feature hearty, warming ingredients perfect for the British climate.
This recipe is rated medium difficulty and uses 14 ingredients. Intermediate cooks will enjoy the balanced challenge.
Frequently Asked Questions
Yes, feel free to substitute with your favorite firm white fish.
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Nutrition Facts
4 serving(s) per recipe
* Percent Daily Values are based on a 2,000 calorie diet. Values are approximate and may vary based on ingredients used.






