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Bourbon biscuit

British  

noun

  1. a rich chocolate-flavoured biscuit with a chocolate-cream filling

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Cut into rectangles roughly the size of a bourbon biscuit and arrange these on the prepared baking trays.

From The Guardian

The design has been said by some fans to resemble an eraser, or to this journalist, a futuristic bourbon biscuit.

From BBC

Everyone knows appearances can be deceptive, but the newly renovated Théâtre de la Gaîté Lyrique in central Paris takes the Bourbon biscuit.

From The Guardian