Kalli nassin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassin: Passage: Mai shirya kayan zaki Josef Keller (1887<unk>1981) ya yi iƙirarin cewa ya ƙirƙira Schwarzwälder Kirschtorte a cikin nau'in sa na yanzu a 1915 a sanannen Café Agner a Bad Godesberg, yanzu ƙauyen Bonn kusan kilomita 500 (300 mil) arewacin Black Forest. Wannan iƙirarin, duk da haka, ba a taɓa tabbatar da shi ba.An fara ambaton Schwarzwälder Kirschtorte a rubuce a 1934. A lokacin an haɗa shi musamman da Berlin amma kuma ana samun sa daga manyan masu shirya kayan zaki a wasu biranen Jamus, Austriya, da Switzerland. A cikin 1949 ya ɗauki matsayi na 13 a cikin jerin shahararrun kek ɗin Jamus. Tambaya: Waɗanne ƙasashe ne suke da manyan masu shirya kayan zaki?
Biranen Jamus, Austriya, da Switzerland