Could have told you that years ago - espresso

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So many people think the finer grind the better for extracting a good crema. Not so. From interesting engineering:

Fewer Coffee Beans Ground Coarsely Brews the Best Espresso, New Research Shows
Forget coffee sommeliers, scientists think they found the answer to brewing the best shot of espresso.

A team of mathematicians, physicists and materials experts at the University of Portsmouth in the UK, found the secret to the best cup of espresso lies in the number of coffee beans and how they are ground.

According to the researchers which included Dr. Jamie Foster, a mathematician at the University of Portsmouth, fewer coffee beans and grinding them more coarsely is the secret.

The researchers started with the question many espresso drinkers have: why do two shots of espresso made the same way taste very different. They applied mathematical theory to the question and when they began to look at a single grain, many of which create the coffee bed found in the basket of an espresso machine, they found the answer. It's more reliable from one cup to the next if fewer beans ground coarsely.

"When beans were ground finely, the particles were so small that in some regions of the bed they clogged up the space where the water should be flowing," Dr. Foster said in a press release announcing the research.

Brews faster, easier to clean the portafilter, uses less coffee and tastes really good. What's not to love. When I managed the bakery, I had everyone standardize on this - a lot of surprised people but we served a lot of really good coffee.

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This page contains a single entry by DaveH published on January 27, 2020 12:15 PM.

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