Single it Out OR Double Date for Espresso Extraction? - BrewRatio

A perfect espresso shot requires dose, yield, and brew time

Single it Out OR Double Date for Espresso Extraction? - BrewRatio

Dialing In: Ratio in Espresso – Pantechnicon Design

Using a single basket with a Breville or Sage home espresso

There is no Single Perfect Espresso Recipe! Make it your own

The Basics of Coffee Extraction ( and How to extract the best

Changing Espresso Extraction with Scott Rao - Barista Magazine Online

How to Pull the Perfect Shot of Espresso – Clive Coffee

Making Espresso at Home: 'Dialling In' – North Star Coffee Roasters