Ingredients:

500 g. green vegetables (spinach, cabbage, etc)
2 onions
250 ml. vegetable soup
1 yogurt
50 ml. sour cream
4 spoons of oil
salt and pepper
croutons (toasted bread)

How to prepare: Boil the vegetables.
Chop the onions small and fry them in oil.
Chop the boiled vegetables and add then in the pan with the onions. Let them stew a few minutes.
Mix everything with the mixer (or blender), add the yogurt, sour cream, vegetable soup, salt and pepper.
Serve with croutons.