@kthiel I think that is the typical Christmas cake. The sponge cake tends to be more eggy and rich, and whipped cream instead of frosting. There are chocolate versions and Buche de Noel ones. https://duckduckgo.com/?q=%E3%82%AF%E3%83%AA%E3%82%B9%E3%83%9E%E3%82%B9%E3%82%B1%E3%83%BC%E3%82%AD&atb=v316-1&iax=images&ia=images