Vegetable Soup with Sour Cream

Ingredients

 * 3 qts/3 l water
 * 1 Onion
 * 1 small carrot
 * 1 small parsley root
 * a handful of green beans
 * 2 potatoes
 * 3-4 tomatoes
 * 1 teaspoon flour
 * 1 tablespoon butter
 * 1 teaspoon chopped parsley and dill
 * 1/2 cup sour cream or yogurt
 * salt

Directions

 * 1) Set to boil the julienne carrot, parsley root and Onion, the green beans cut in pieces, cubed potatoes.
 * 2) After boiling for a little while, add the peeled, seeded, and cut tomatoes and the salt.
 * 3) Fry the flour in butter and add to the soup, stirring continuously.
 * 4) Add the chopped parsley and dill, cover and let rest for a few minutes.
 * 5) When serving, mix soup with one tablespoon of sour cream or yogurt per individual soup bowl.