A question I'm asked often. What dosage? How many grams? Here is a simple rule of thumb to start you off with but as we know, there are so many variables affecting coffee extraction in espresso so you'll need to play around, take note, adjust but this should help you get started! #breville
For the bottomless portafilter review (purchase links in the description of the video) https://youtu.be/UDDvEIig5zE
Typically you'll hear people say lighter roasts, dose lose, darker roasts dose more. Here is the reason why that's not why I follow this https://youtu.be/SyGJXRlexmc?si=P8DLY4HEA6SD_fSP