Sentence:  It was loaded with food; sponge-cakes each higher and lighter than the next and oozing frothy cream, plates of sandwiches, egg and lettuce, corned-beef and pickle, and ‘<WSD>Burdekin Duck</WSD>' made of bacon and tomato and cheese squashed up. 
Meaning of the word marked with <WSD> tags:  A food dish made from leftovers or ingredients to hand, usually including corned beef.