Thermal loss in espresso brewing can have big impacts in the consistency and overall flavor. Here are some ways you can keep thermal integrity intact.
Roasting of coffee has a direct impact on bean density, and this has further implications on how we extract our coffee. Espresso is affected more clearly than filter brewing.
Roasting is a complex and dynamic process. Here are a couple things that impact bean density and character.
Espresso distributor tools are all the rage, but even the best can still fail you without good fundamentals
Even dosing and distribution of coffee is possibly the most important element in espresso extraction. Here are my thoughts on why and a few techniques to try in achieving better results.