If the machine has a temperature option, set it to 93 °C.

Grind the coffee for espresso, fine grind.

Place the ground coffee into the portafilter and distribute it evenly to create a level coffee bed.

Tamp the coffee with consistent pressure, ensuring the surface is perfectly level.

Start the timer at the same moment you begin the extraction.

Stop the extraction at 31 seconds.

Aim to extract 43 g of espresso in 31 seconds. If the extraction is faster, grind finer. If it is slower, grind coarser.