Pierogi or pirogi (pronounced /pɪˈroʊgi/, pi-ROH-ghee), also known as varenyky, are filled dumplings of East European origin. They are made by wrapping pockets of unleavened dough around a savory or sweet filling and cooking in boiling water. These dumplings are popular in various Slavic (Polish, Russian, Slovak, Ukrainian), Baltic (Latvian, Lithuanian) and other cuisines where they are know under various local names.