Extraction method of Italian espresso

espresso coffee

First of all, very coarse ground coffee powder into the filter cup, the weight of powder is about 10 grams per person. Then put the filter cup into the pot, add hot water to a height of about 1 cm from the filter cup and start heating. When hot water boils, steam climbs along the central tube and spouts from above. Hot water is generated to flow onto the coffee grounds in the filter cup, and the coffee ingredients are thus extracted into a tall thin glass cylinder with a piston with filter. The hot water and coffee grounds soak in the cylinder for four to seven minutes, then the piston filter presses the coffee grounds to the bottom, and the upper coffee can be poured out for drinking. This "full immersion" method is considered by many experts to be the ideal home method for brewing coffee

Buckle the handle onto the brewing head and press the brewing button to rinse the handle and brewing head. At this time, keep shaking the handle to rinse off the coffee residue stuck to the brewing head. (Note: If the brewing head is not washed directly, the residue stuck to the brewing head will be extracted twice, causing the coffee to become bitter and astringent. In addition, this is also equivalent to the previous stage of water, to prevent brewing water temperature is too high, resulting in excessive extraction.) Dry the inner filter completely with a dry towel. (Keep the filter dry. If water is present in the filter, the coffee extraction process will begin before brewing, resulting in over-extraction. In addition, it will also make coffee powder agglomerate, resulting in uneven filling. Also, dry the water outlet of your hand to prevent the coffee powder from flowing into the cup.) Now you can powder it. (Note: Do not leave powder in the dispenser. Every time you cook and grind, the coffee powder will be completely oxidized after being exposed to the air for a few minutes, and the brewed coffee will not be able to drink.) Now some coffee shops are used to filling up the measure, which is incorrect. The correct approach is to quickly pull the lever of the dispenser while grinding, turn off the handle when it is almost full, and continue to pull the lever of the dispenser until all the coffee powder in the dispenser falls into the brewing handle.) Buckle the handle onto the brewing head and press the brewing button to rinse the handle and brewing head. At this time, keep shaking the handle to rinse off the coffee residue stuck to the brewing head. (Note: If the brewing head is not washed directly, the residue stuck to the brewing head will be extracted twice, causing the coffee to become bitter and astringent. In addition, this is also equivalent to the previous stage of water, to prevent brewing water temperature is too high, resulting in excessive extraction.)