Science says your barista is making your coffee all wrong
on Thursday, claims the immutable coffee laws Australia’s baristas live by, imposed by Italy's national espresso institute, are all wrong.Joe Armao
The scientists' new method produces better coffee, and could save the average cafe almost $10,000 a year, they say.“We were wasting coffee without even realising it,” says Michael Cameron, a barista and special projects manager at St Ali cafe, and the paper’s lead author.Mr Cameron, like many coffee obsessives, has long chased the mythical ‘God Shot’ – an espresso so good you feel the presence of the divine. Four years ago, his search led him to Christopher Hendon.
He told other baristas about his discovery. But they scoffed. “People were saying it wasn’t even espresso,” says Mr Cameron.So he and Dr Hendon decided to prove their low-pressure coffee was better. Using the model they tested a range of tweaks to see what produced the best shot: changing the dose of coffee, water pressure, the grind size, the pressure from the tamp.Over and under-extracted
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