Boil your tongue in salted water. Next, put the tongue in cold water, peel and cut into thin slices.
Cut onions into small cubes and fry in a small amount of oil.
Rinse the mushrooms, dry, cut into thin plates and add to the onion. Fry until all liquid has evaporated. Salt, pepper.
Squeeze the garlic through the garlic and mix with chopped nuts and fried mushrooms with onions.
Put the resulting mass into pieces of the tongue, roll them into rolls.
Put rolls on a baking sheet and pour sour cream. Put in an oven preheated to t 180 degrees for 10 minutes.
Put on a plate and garnish with walnuts and fresh herbs.