Sour Fish Soup

Ingredients

 * 1 lb/0,5 kg of Carp or rock fish
 * 2 qts/2 l water
 * 0.5 qt/0,5 l borsh
 * 1 small carrot
 * 1 small parsley root
 * 1 big Onion
 * 1 tablespoon rice
 * 1 tablespoon butter
 * chopped parsley and dill

Directions

 * 1) Set to boil the finely chopped vegetables, adding the rice too.
 * 2) When the vegetables are almost done, add the fish, the separately boiled borsh and the salt.
 * 3) Let boil, at low temperature, until the fish is done (10–15 minutes).
 * 4) Add the greens and the butter.
 * 5) Cover and let it rest for a few minutes before serving.