500 g beef kidneys
2 tbsp butter
2 parsley roots, sliced in strips
1 onion, sliced in strips
4 potatoes, sliced
2 pickled cucumbers
100 g sorrel
Salt to taste
Sour cream
Fresh parsley and/or dill
Trim fat from kidneys, and cut into pieces. Rinse them well.
Cover the kidneys with cold water, and bring to a boil. Drain the water, and rinse the kidneys again.
Cover kidneys with cold water again, and boil for half an hour.
Melt the butter in a soup pot. Add parsley root and onion, and fry until onions are translucent.
Add sliced potatoes to pot, and cover with filtered broth. Cook for 30 minutes.
30 minutes
10 minutes before the end of cooking, add the cucumbers, chopped sorrel, and salt.
10 minutes
Just before serving, add kidneys, sour cream, and parsley or dill.