Originally Posted by Non-NonRev
...About the tortes themselves - IIRC the Sacher has an apricot filling, does the Imperial's version (also offered at the Bristol, BTW) have a different filling?
Imperial torte is made with almond paste instead of apricot filling. It has a very long shelf life (marzipan lasts for years) but limited by the aging of the chocolate and evisceration of the cake.