Kyselo (Czech Sourdough Mushroom Soup)
Czech Republic
Published method, 9 steps.
Ingredients
- Potatoes
- 100 g sourdough starter, ideally made with rye flour
- 15 g dried porcini mushrooms, preferably Central European
- 1 tablespoon caraway seeds
- 1250 ml water
- 1 onion, chopped
- 20 g butter
- 3 chicken eggs
- Salt
- Vinegar
- Chopped green herbs, such as parsley or scallion