Boil the buttermilk for ca. 20 min., drain it to remove the cottage cheese from the whey, which is the basic ingredient of the soup. Cut the bacon and onions into cubes, brown them with lard, and then add seasoning and pour the whey. Add the stock and the cream.
This meal was prepared by the “Austeria” Restaurant from Sławków during the I "Silesian Tastes Festival 2006" in Ogrodzieniec.