Prepare the skin of the chicken. Cut up the breast bone, carefully remove the skin, cutting where necessary. It took me 15 minutes. The wings do not touch - they represent ulet :D

Frozen mushrooms to defrost slightly, grind in a food processor along with chicken fat. Preheat the frying pan and fry the mixture. Finely grate onions, fry, add the mushrooms and sour cream, stew for a few minutes. Clean. To grate the potatoes, mix with onion-mushroom mixture, season with salt-pepper-seasonings and mix with a raw egg. In the skin to place the filling

Roll carefully and seal with toothpicks.

Bake in pre-heated oven at 200 °C for about 1.5 hours. Can be enjoyed hot or cold. Don't forget that it is necessary to remove the toothpicks. I divided it into 2 parts.

Slice along the roll (I have a photo razrezik no)