Mix the red currant jelly and the orange juice and
boil for a few minutes. Add the ginger and lemon rind. Dissolve the
corn starch in the lemon juice, add to the mixture and slowly heat till
it thickens. Add the port.
Serve the sauce with pate or red or
pink meat.
This sauce is named after the Duke of Cumberland, and it was invented
in Hanover, Germany. Nowadays it is seen as a
British recipe,
from the Cumbria region in the Northwest.