Standard espresso to make Italian boutique with Asian flavor coffee beans

Parameters related to making espresso (double espresso):

Coffee powder: 14g (fine grinding)

Powder pressing strength: 30 lbs / square inch

Water temperature: 92 degrees Celsius

Water pressure: 132 pounds per square inch

Extraction time: 25-30 seconds

Total coffee: 60 ml

Next, from a different perspective, professional baristas analyze the way espresso is made:

As an artist, baristas must monitor the quality of Italian espresso from the perspective of beauty. First of all, baristas must know how to judge the quality of coffee beans from their appearance. The coffee beans used to make espresso are roasted to a wide range. If the coffee beans look very dark and are covered with oil and have a halal flavor, it means the coffee beans have been overroasted. Overbaked beans can make the bitter taste of espresso uncomfortable, like a mouthful of dirt. If the coffee beans look light brown and do not smell good, it means that the coffee beans are not roasted enough. These beans make espresso taste so sour that it tastes like chewing grass. Of course you don't have to really eat dirt or grass. I'm just speaking metaphorically.