Irish Seafood Pie with Oat Topping
A comforting and hearty pie filled with a creamy mixture of flaky white fish, salmon, and prawns, topped with a golden, crunchy oat crust.

๐ง Ingredients
- 300 g White fish fillets(e.g., cod, haddock; cut into chunks)
- 200 g Salmon fillet(skinless, cut into chunks)
- 150 g Prawns(peeled and deveined)
- 50 g Butter
- 1 medium Onion(finely chopped)
- 2 medium Leeks(white and light green parts, thinly sliced)
- 40 g Plain flour
- 500 ml Milk
- 100 ml Fish or vegetable stock
- 2 tbsp Fresh dill(chopped)
- 2 tbsp Fresh parsley(chopped)
- 1 tbsp Lemon juice
- 1 tsp Salt
- 0.5 tsp Black pepper(freshly ground)
- 75 g Rolled oats
- 30 g Butter(melted)
- 50 g Grated cheddar cheese(optional, for topping)
๐จโ๐ณ Instructions
- 1
Preheat your oven to 200ยฐC (180ยฐC fan/Gas Mark 6).
- 2
Melt 50g butter in a large saucepan or ovenproof skillet over medium heat. Add the chopped onion and sliced leeks and cook until softened, about 5-7 minutes.
๐ก Tip: Do not brown the vegetables. - 3
Stir in the flour and cook for 1 minute, stirring constantly, to make a roux.
- 4
Gradually whisk in the milk and stock until smooth. Bring to a simmer, stirring, until the sauce thickens.
๐ก Tip: Ensure there are no lumps. - 5
Stir in the chopped dill, parsley, lemon juice, salt, and pepper. Add the chunks of white fish and salmon, and the prawns. Stir gently to combine.
- 6
If not using an ovenproof skillet, transfer the seafood mixture to a pie dish.
- 7
In a separate bowl, mix the rolled oats with the melted butter and optional grated cheese. Sprinkle this mixture evenly over the seafood filling.
๐ก Tip: Press down lightly to help it adhere. - 8
Bake in the preheated oven for 25-30 minutes, or until the topping is golden brown and crisp, and the seafood is cooked through and bubbling.
๐ก Tip: The fish should be opaque and flake easily. - 9
Let stand for a few minutes before serving.
๐ก Pro Tips
- โYou can add other seafood like mussels or scallops.
- โFor a richer sauce, use half milk and half double cream.
- โEnsure the oat topping is spread evenly for consistent crispiness.
โจ Twist Ideas
Inspiration for your own version of this recipe
- Add a splash of dry white wine to the sauce for extra flavor.
- Include some cooked peas or sweetcorn for added color and sweetness.
- A pinch of cayenne pepper can add a subtle heat.