Battenberg
Concise Oxford English Dictionary © 2008 Oxford University Press:
Battenberg/ˈbatənbɜːɡ/
▶noun chiefly Brit. an oblong sponge cake covered with marzipan, with a square cross section quartered with two colours of sponge.
– origin named after the town of Battenberg in Germany.
'Battenberg' also found in these Oxford entries:

