Have all foods on hand by weight and volume. Peel the nuts or remove any unnecessary impurities. Prepare dishes for the crust, a dish and cling film.
Mix condensed milk with sour cream. Add chopped nuts, fried in a dry frying pan, mix everything. Add slightly broken cookies and stir.
Line a container (plate, baking dish) with cling film. Place the prepared mixture on top and smooth it out. Cover the top with cling film and refrigerate for 2-3 hours or overnight to set.
Melt the chocolate in a water bath, add butter, stir. Take the dish with the cake out of the refrigerator and carefully remove it with cling film. Place it on a plate and cover with glaze. Place in the refrigerator for another 15-20 minutes to thicken the glaze.
Cut the frosted cake with nuts into portions. Serve them tea or coffee. Garnish with nuts, fresh berries, candied fruits or a mint leaf.