Sweet And Sour Christmas Fish

For non-Germans an unusual and intriguing fish dish of ancient Silesian tradition is a Christmas carp, originating in the Middle Ages when carp ponds were part of every monastery garden and when the mixture of sweets and sours, fruits and fish seemed natural. In the Germany of her childhood, Nika Hazelton tells us, a whole carp was served on Christmas Eve, as prelude to the goose or hare on Christmas day. Hazelton describes the sauce as a “rich, dark-brown sweet-and-sour sauce made with cru