🇨🇿 Czechia · Moravian Wallachia (Valašsko)

Valašská kyselicaWallachian sauerkraut soup

The Moravian Wallachian form of sauerkraut soup: a thick zelňačka of sauerkraut and potatoes with sausage or smoked meat, whitened with sour cream, in many versions with dried mushrooms and, in some, prunes; once a hearty breakfast for forest workers.

Valašská kyselica (Wallachian sauerkraut soup)

Origin and history

Kyselica is the sauerkraut soup of Moravian Wallachia (Valašsko), the hilly, poor-soiled corner of eastern Moravia where cabbage kept through the winter was a staple. Cooks there rank it with frgál pies and slivovice among the region's best-known specialities. It is a white zelňačka, thickened with cream and potatoes, and men once reportedly ate it for breakfast before a day's work in the forests.

Make it at home

Makes
6 servings
Total time
1 h
Hands-on
35 min

Ingredients

Units
  • 600 g1.3 lb sauerkraut (kysané zelí), drained, brine kept; chop long strands
  • 250 g9 oz smoked paprika sausage (klobása) or smoked bacon (slanina), sausage in thin rounds, bacon in small dice
  • 15 g1/2 oz (about 1/2 cup) dried mushrooms (sušené houby), ideally boletes, soaked, see notes; soaking water kept
  • 30 g2 tbsp lard (sádlo), or rapeseed oil
  • 2 onions, finely chopped
  • 1/2 tsp caraway seeds, whole
  • 600 g1.3 lb potatoes, peeled, cut in 1.5 cm (1/2 in) cubes
  • 1.2 l5 cups light stock or water, hot
  • 2 bay leaves
  • 4 allspice berries (nové koření)
  • 6 black peppercorns
  • 3 juniper berries, lightly crushed
  • 4-5 prunes (sušené švestky), optional, halved
  • 300 g1 1/4 cups sour cream (zakysaná smetana), or half sour cream and half whipping cream
  • 2 tbsp plain flour
  • 1 tsp dried marjoram
  • salt, black pepper and a pinch of sugar, to taste
  • sourdough rye bread, to serve

Method

  1. 1. Lift the soaked mushrooms out of their water, chop them roughly and pour the soaking water through a fine sieve or a coffee filter to leave any grit behind.

  2. 2. Melt the lard in a large pot over medium heat, add the sausage or bacon and fry for 3-4 minutes, until the fat runs out and the edges colour.

  3. 3. Add the onions and cook gently for 8 minutes, stirring now and then, until soft and golden.

  4. 4. Stir in the caraway, then add the potatoes, bay leaves, allspice, peppercorns, juniper and the chopped mushrooms.

  5. 5. Pour in the hot stock and the strained mushroom water, add a little salt and simmer, partly covered, for 12-15 minutes, until the potatoes are nearly tender. They go in before the sauerkraut because its acid would keep them hard.

  6. 6. Meanwhile, put the sauerkraut in a small covered pan with 100 ml (scant 1/2 cup) of water and let it stew gently for 15-20 minutes, until soft.

  7. 7. Tip the sauerkraut and the prunes, if using, into the soup and simmer for 10 minutes more, until the potatoes are fully soft.

  8. 8. Whisk the flour into the sour cream until smooth, then whisk in two ladles of the hot soup so the cream does not curdle.

  9. 9. Stir the cream into the pot and simmer gently for 8-10 minutes, stirring, until the soup is thick, white and creamy.

  10. 10. Rub the marjoram between your palms over the pot. Season with salt and pepper, then balance with a pinch of sugar if it is too sharp or a splash of the reserved brine if it is too mild.

  11. 11. Take out the bay leaves and serve hot with rye bread.

Notes

  • Before you start: cover the dried mushrooms with about 250 ml (1 cup) of hot water and leave them for 30 minutes, or overnight in cold water.
  • How it differs from the parent zelňačka: kyselica is the 'white' sauerkraut soup of Moravian Wallachia. There is no paprika roux; the sour cream is cooked into the soup instead of spooned on top, the potatoes cook in the pot, and dried mushrooms, juniper and marjoram give it a woodland flavour. The everyday Czech zelňačka is red with paprika and thickened with a roux.
  • Every Wallachian family has its own kyselica. Actress Květa Fialová's version uses paprika sausage or smoked bacon, juniper and no mushrooms; others cook a smoked pork hock first and use its broth, leave out the potatoes, or add cooked beans. Dried mushrooms are common but not universal, and prunes are a local addition: a Rožnov restaurant serves kyselica with porcini and dried plums, while the Novinky and Prima Fresh recipes use neither prunes nor, in the first case, mushrooms.
  • Thickening: instead of flour, some cooks dice one extra large potato into the broth at the start and let it break down, which gives a lighter soup.
  • Sauerkraut sourness varies a great deal, so taste before adding brine. If yours is very sharp, rinse it briefly, or use less brine and more stock.
  • In Wallachia kyselica was a breakfast as much as a lunch, and it is a favourite after a day's skiing in the Beskydy hills today.
  • Make-ahead: kyselica is best the next day, when the flavours have settled, so many cooks make a double batch. Reheat gently without boiling hard, and add a little water if it has thickened.
  • Related soups: Slovak kapustnica, the Christmas sauerkraut soup, and Polish kapuśniak.

Adapted from Květa Fialová, Prostonárodní kuchařka (via Prima Fresh, "Kyselica s klobásou a bramborem"), Forbes Česko, "Snídaně Valachů. Posilněte se tradiční valašskou kyselicí", and Novinky.cz, "Tradiční valašská kuchyně".

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