Serve it chilled with crackers, and add lemons to the plate for garnish. This mousse melts in your mouth and is great tasting.
For 3 people
Sauté onion in 2 tbsp. butter in a small skillet, until golden. Add salmon, stir and remove from heat. Place salmon mixture in a blender or food processor. Add sour cream, cream cheese and 1/4 cup softened butter. Blend well. Add lemon juice and vodka. Blend until smooth and remove to a bowl. Fold in whipped cream. Spoon into a small plastic container and refrigerate up to 2 days. Serve chilled but not cold.