1. Wash potatoes, bake in the oven until soft.

2. Cucumber and finely chop the onion. Mayonnaise, sour cream and mustard mix, add to vegetables, stir and season with pepper. Eggs boil and peel, cut into 2 halves. Herring fillet cut into small slices.

3. Potatoes cut into 2 pieces, sprinkle the cucumber-onion mixture, then put the pieces of herring, a half of an egg. You can submit on pieces of bread or just like that. Bon appetit!