Cut the boiled mushrooms into strips and fry in 50 grams of oil.
When the mushrooms are fried, add sour cream and simmer for a few minutes.
Boiled pork cut into strips and fry in 50 grams of oil.
When the pork is fried, we try to spread it from the frying pan without oil, so that the salad is not too greasy.
Chop the walnut kernels.
Fry the onion in the remaining oil from the meat until golden brown.
Mix all the ingredients, add salt and pepper to taste.