The infused flavours, such as fresh mint, tonka bean and coffee, punch through the chocolate with a burst of flavour.

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The roasting must be even, and the grinding process must be finely calibrated so that the resulting coffee allows smooth passage of the hot water that extracts the flavour.

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To add continental flavour they served croissants before the speech started, but the coffee was more Manhattan milky than left bank Parisian.

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With that thought, the Beer Geek Brunch was born, an imperial oatmeal stout that has a roasted, chocolaty flavour thanks to the addition of Vietnamese ca phe chon, known colloquially as weasel or cat poo coffee.

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