The cream is whipped a little, then add the sour cream.
Cut apples, cucumber and onions into small pieces. The herring also in small. Cut pieces (if you like, you can make it bigger, then you can fish it out better).
Add some of the cucumber and matjessud, stir and season to taste.
It is best to prepare a day in advance.
In addition there are jacket potatoes (which then still calculate).