Boil the potatoes and mash them with a potato ricer or a sieve. Combine with butter, salt, Parmigiano, egg yolks and whipped egg whites.
Pour the potato mixture in a buttered 10-in. mold, and cook in bain-marie in a preheated oven at 400ºF for about 20 mins. Garnish with buttered green peas or artichokes. |
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