Put on the fire water. The speed of cooking of this soup depends on the availability of a microwave oven)) I Have in addition to this wonderful unit, there's a wonderful bag. He, in turn, accelerates the process of cooking the potatoes another two times)) Potato peel, cut (if very large) in half and fold in pouch. At a power of 800 recruited 4 minutes. If the pouch is not, then spread the potatoes in a heatproof dish and set time 8 minutes (watch time may vary depending on your oven). At this time, a quick clean and fry the mushrooms on medium heat.

In a separate container mix sour cream and flour thoroughly what would avoid lumps. Add 50 ml of cold water (sour cream should be liquid).

In boiling water add the diced potatoes (thanks to the microwave, it's ready in minutes) and sauteed mushrooms (after removing excess oil with napkins). Immediately add the cut cucumbers. Bring to a boil and carefully pour in the cream, stirring quickly. Then, immediately adding "broken" yolk with a fork. Too quickly and stir thoroughly. Salt, pepper, bring to a boil and switch off.

Served hot. Optionally, you can add finely chopped dill.