Boil the eggs "hard", cool, peel, cut in half, carefully remove the yolks.
From canned food to drain the oil, remove the bones, mash the fish with a fork.
Boiled carrots to clear, grate on a small grater.
Add cheese and yolks grated on a fine grater.
For filling mix sour cream, mustard and soy sauce.
Fish mass season with a sauce. Mix well.
Using a pastry bag or spoon to fill the halves of the egg resulting mass.