Boil and peel the potatoes and eggs. Boil the chicken breast, then strain the broth through a sieve and let it cool.

Dice the vegetables, eggs, and meat, chop the herbs, and put everything in a pot. Pour in the broth, add the kefir, mix the sour cream and mustard dressing, and add that too. Salt, stir well, and taste. Chill before serving. Enjoy!