1kg Orange Kumara, peeledSlice Orange Kumara into 1cm-wide circles. Cook the kumara in plenty of salted simmering water for about 20 minutes, or until tender when pierced with a knife. Drain well.
Leave the kumara to cool, then puree in a food processor with the salt and butter. Set aside.
Heat the milk to a gentle simmer. Add the fish and simmer for about 5 minutes, or until it is cooked through. Scoop fish out with a slotted spoon and set aside. Set aside the milk also.
In a fresh pot, melt the butter, add the onions and sweat them for 5 minutes. Add fl our and stir for a further 2 minutes.
Gradually add the milk to the fl our mix, stirring continuously.
Stir in cream and prawns, bring to boil and remove from heat.
Flake fish into the sauce and add the parsley. Slice the boiled eggs in half, add them to the pie and stir gently to combine.
Spoon the pie mixture into a 26cm-diameter pie dish. Using a spatula, smooth the pureed kumara evenly over the top. Bake for 20 minutes. Serve piping hot.
Serves 6.