Boil and mash the potato and season it with a little salt and pepper. Whip to a smooth puree with the cream, and then stir in the chopped scallion.
Quickly sear the scallops in a little oil to a crusty golden brown on both sides and remove from the pan.
Form circular ‘Pads’ for each Scallop using three tablespoons or so of the mashed potato mixture, and dust each with a little Paprika.
Deglaze the scallop pan with White Wine, then add the butter and Lemon juice and reduce slightly, adding a pinch or two of Parsley just before finishing.
Add a Scallop to each Potato ‘Bed’, top with two Truffle slices each, and pour over the sauce. Garnish with remaining Parsley and serve hot.