Espresso

Espresso is a full-flavoured, concentrated version of coffee, which makes the base for many coffee drinks, and is usually served in shots. Made by forcing pressurised hot water through very finely ground coffee beans in an espresso machine, an espresso is stronger than regular brewed coffee, and comes topped with a crema, which is a brown foam created when air bubbles combine with the soluble oils of fine-ground coffee.

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