Coffee knowledge

You say “bright,” I say “lemon.” When flavor words get fuzzy, the Coffee Taster’s Flavor Wheel helps us speak the same sensory language—turning vague impressions into ...

Freshly roasted coffee isn’t always ready to brew. During degassing, beans release CO₂ that can affect extraction. This guide explores what degassing is, how long it t...

Coffee extraction is the final and most crucial step in the brewing process. This guide breaks down the science of extraction—explaining how different compounds dissol...

Coffee chaff, also known as silver skin, sometimes appears as light flakes in ground coffee. Learn what coffee chaff is, why it shows up, and if it affects flavor.

  Sometimes roasted coffee beans develop a shiny, oily surface. But does that mean they’re stale—or is it completely normal? The truth is, coffee beans naturally cont...

This guide breaks down what espresso crema is, how it forms, the factors that affect it, and how to enjoy it. From coffee bean variety to brewing pressure, discover th...