Ingredients
Method
- Poach white fish and smoked haddock in milk with bay leaf, peppercorns, and onion — 5–6 minutes until just beginning to flake. Lift out carefully. Strain and reserve all the poaching milk.
- Boil potatoes until tender — about 20 minutes. Drain. Dry over low heat 1 minute. Rice or mash until smooth. Beat in butter and warm milk. Season generously.
- Melt butter. Add flour — stir 2 minutes. Add warm poaching milk gradually, whisking. Add cream and mustard. Simmer 5 minutes until thickened. Remove from heat. Add parsley and seasoning.
- Preheat oven to 200°C / 180°C fan / Gas 6. Fold poached fish, raw prawns, and hard-boiled eggs if using into sauce gently. Season. Pour into ovenproof dish. Cool 10 minutes.
- Spoon mash over filling. Spread to edges. Fork into ridges. Scatter grated cheese.
- Bake 30–35 minutes until golden and bubbling at edges. Rest 5 minutes. Serve.
Notes
Poach fish in the milk first — the flavoured milk makes the sauce extraordinary.
Use raw prawns — cooked prawns become tough after 30 minutes in the oven.
Drive excess moisture from mash before using — wet mash slides off the filling.
Cool filling slightly before adding mash — boiling filling melts the butter in the mash.
Ridge the mash surface with a fork — ridges brown more attractively than smooth.
Freeze assembled unbaked pie for up to 2 months.
