What are the origins and yields of five traditional coffees?

Literally, espresso is not difficult to see that the origin of this coffee naturally comes from Italy full of emotional appeal. As early as the early 20th century, espresso appeared, but it was not until the emergence of the spring petal lever coffee machine that this kind of coffee really became popular all over the world. Espresso is brewed from finely ground coffee beans under boiling water and pressure, so it has a very strong flavor. Espresso is more used for refreshing after work, so you don't care too much when you taste it. There is no need to think about it slowly. Generally, you need a small drink, preferably three. A cup of well-made espresso will be covered with deep red Clima, leaving a rich and mellow taste in the mouth.

Espresso can also be mixed with many things to suit different people's tastes and hobbies. As long as you add different proportions of milk, foam or other decorations to espresso, it will become another kind of coffee. So espresso is the most important part of coffee. Nowadays, people prefer to drink coffee with milk or other ingredients. However, espresso has always existed in its unique form and is loved by those who are interested in the original flavor.

1. bean grinding: put coffee beans into the bean grinder according to your own taste, and gently turn the handle to grind coffee powder with uniform particle size. The best espresso is freshly ground and drunk, so it is best to grind one serving at a time.

2. Press the powder, after simply cleaning the coffee powder around the powder spoon, press the coffee in the coffee handle with a powder press. Generally speaking, the coarser the coffee powder is ground, the greater the pressure should be, but moderate pressure is very important for subsequent extraction.

The content of this paper comes from: Investigation and Identification of Species Resources by China Agricultural Publishing House.