The greatest 'aye aye' fishy pie

Cook the potatoes in a pan of boiling salted water until soft, drain well and mash. Mash in the butter and cream and season with salt and freshly ground pepper and nutmeg, forming a smooth creamy mash.

Mix in the butter, seasoning and nutmeg. Mix in the egg yolks and the Cheddar. Transfer the mash to a piping bag and reserve.

To make the parsley sauce, heat the butter in a heavy-based saucepan over a very low heat with the onion and garlic, then stir in the parsley.

Mix in the flour and fry gently, stirring often, over a low heat without browning for 3 minutes.

In another pan, bring the fish stock, vinegar and cream to the boil. Pour this into the flour mixture a little at a time, stirring constantly.

Bring the sauce to the boil and then cook over a low heat for 2 minutes, stirring often.

Meanwhile, preheat the oven to gas 6/200°C.

Place the smoked haddock, salmon, monkfish and shark in a deep ovenproof dish and season lightly with salt and freshly ground pepper and lemon juice.

Pour the sauce over the top, scatter the boiled eggs and diced tomato evenly over the sauce and pipe over the mashed potatoes finally brushing with melted butter.

. Bake for 35 minutes by which time the top should be crisp and golden and the fish bubbling through. Serve hot from the oven.