It is a lovely dish to serve to guests. Smooth and creamy. And, it looks like something that should take alot longer to prepare. Plus, all of the actual work can be done well in advance, so everybody is happy
Stir in potato and boil until potato is very tender, about 15 minutes. Cool slightly.
Place mixture in bowl of food processor and purée.
Add one third cup of whipping cream; blend.
Season with salt and pepper. Refrigereate until well chilled.
To serve: Run a paring knife around sides of custard cups to loosen paté. Unmold onto individual plates. Spoon sauce around each. Garnish with chives and smoked salmon slices. Top each with a small dollop of whipped cream, if desired.
The paté and the sauce can be prepared 1 day in advance. Refrigerate separately.