A coffee from cha chaan teng can contain up to six times as much caffeine as a coffee-shop espresso. Photo: Thomas Yau
A coffee from cha chaan teng can contain up to six times as much caffeine as a coffee-shop espresso. Photo: Thomas Yau

Cheap coffee triumphs over expensive espresso in giving caffeine fix

A cha chaan teng offers more coffee per cup than its upmarket rivals in test results that awaken drinkers to the price of a caffeine fix

A coffee from cha chaan teng can contain up to six times as much caffeine as a coffee-shop espresso. Photo: Thomas Yau
A coffee from cha chaan teng can contain up to six times as much caffeine as a coffee-shop espresso. Photo: Thomas Yau
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