Scientists discover the secret to making an intense espresso
by Nilima Marshall
Dec 06, 2023
2 minutes
Scientists believe they have identified the secret ingredient to making an intense espresso – a splash of water.
Researchers found that adding a small amount of water to coffee beans before grinding them produces more consistent and tastier espresso.
During grinding, the friction between coffee beans generates electricity that causes particles to clump together and stick to the grinder.
Adding moisture
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