Zemiakova Polievka

Ingredients

 * bouquet garni
 * mushrooms
 * potatoes
 * bacon
 * caraway seeds
 * marjoram
 * egg yolk
 * sour cream
 * onion
 * garlic
 * flour (to make a roux)

Directions

 * 1) Soften the mushrooms in water overnight.
 * 2) Peel and cube the potatoes, clean and finely chop the bouquet garni and cure the bacon.
 * 3) Bring the mushrooms, potatoes, bouquet garni, bacon, caraway seeds and marjoram to a boil in 5 cups of water.
 * 4) Bring them to a boil and simmer for 20 minutes.
 * 5) Peel the onion and garlic clove, and fry them to golden brown in the butter.
 * 6) Sprinkle in the flour and stir to a roux.
 * 7) Add the roux to the soup, stirring constantly, and pass the soup through a sieve.
 * 8) Season with generous amounts of salt and pepper.
 * 9) Combine the egg yolk and the sour cream, remove the soup from the heat, and stir in the egg-cream mixture.
 * 10) Garnish with parsley and serve.