Dozens of London pubs have acquired a new decorative feature this summer. On bar tops across the city stand vaguely old-fashioned, totem pole-like objects amid serried ranks of colorful keg fonts. These are handpumps, traditionally used to serve cask ale — for so long a staple in this country. But in many of the British capital’s pubs, they’re now purely for show.
Covid-19 has been hard on cask ale, the “warm” British beer that completes its fermentation in the serving vessel. This is how it acquires its distinctive soft carbonation, a key part of what makes it so enjoyable and such a contrast to keg beer, which generally has carbon dioxide added from an outside source. Cask needs to be drunk quickly, within three days of being breached, because when beer is pumped out of the cask, air enters. Also known as “Real Ale,” a term coined by consumer organization the Campaign for Real Ale (CAMRA) in the 1970s, it’s best enjoyed at cellar temperature, around 53 degrees Fahrenheit, not chilled like keg.
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