This dish is closely related to the salad Parisienne. Both are based on the same basic ingredients. The biggest difference is that one is a warm meal while the other is a cold one. The dish is excellent to turn to when you have some leftover roast beef or other types of beef.
In context: Cattelin’s is one of the best and most reasonably priced restaurants in Stockholm. It has survived wars, disasters, and changing tastes, and still manages to pack ‘em in, so they must be doing something right. Read more here and here