 In Russia and the other Post-Soviet countries, "ponchiki" (, plural form of пончик, "ponchik") or "pyshki" (, especially in St. Petersburg) are a very popular sweet doughnut, with many fast and simple recipes available in Russian cookbooks for making them at home as a breakfast or coffee pastry.In Slovenia, a jam-filled doughnut known as "krofi", is very popular.It is the typical sweet during Carnival time, but is to be found in most bakeries during the whole year.