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Why should espresso be served soon after brewing?
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Espresso should be consumed immediately after brewing primarily to ensure the drinker experiences the full profile of its highly volatile aromas before they dissipate.12
While there is a general tradition of serving all coffee "fresh and hot," this is particularly critical for espresso due to its concentrated nature and the rapid loss of these aromatic compounds. Although a well-pulled shot features a layer of cremaāa foam that helps trap aromaticsāthis layer is temporary, and the overall quality of the beverage is best preserved by prompt consumption.12