The soul of espresso, espresso? What is Crema? How did you get it?
The soul of espresso is Espresso.
Therefore, a good cup of espresso is the beginning of everything and the soul of a cup of espresso. The basis of all espresso is extracted from the coffee machine: 9 atmospheric pressure, 90-94 degrees water temperature, in 25-30 seconds, a cup of 30ml coffee. Solids and liquids are actually the dark brown "liquid parts", while the gas is the light brown Crema floating on it.
What is Crema? How did you get here? Freshly roasted coffee beans are rich in carbon dioxide, which is melted into coffee under pressure in the process of concentration. But when the hot water passes through the coffee pressed powder, the coffee liquid from the powder bowl returns from nine atmospheres to the normal one. At this point, because of the pressure difference, carbon dioxide expands and becomes the so-called "grease / Crema". In fact, Crema is a bubble, not grease at all.
A cup of espresso without Crema means the beans are not fresh (low in carbon dioxide), or the barista is too lame. It's bound to be bad. However, Crema itself has nothing to do with the taste of coffee, you can dig up the Crema on the coffee to eat, it is bitter and rough.
Since it is called espresso, the concentration is very high, so the aroma and concentration are relatively strong, because there is no water or milk, it can be said to retain the original flavor of coffee beans to the greatest extent.
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How to fill the powder correctly when making espresso? What are the common mistakes in filling powder?
How to fill the powder correctly when making espresso? 1. Prepare the electronic scale. Weighing the powder before each extraction is a necessary operation for making perfect Italian concentration. Even if it is a quantitative bean grinder, I suggest you regularly check the weighing accuracy of the bean grinder. After all, no matter how advanced the machine is, there will inevitably be errors and failures. 2. Rotating powder. No matter hand dial or straight out, only
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How do you taste a cup of coffee? Can you grasp it from the following aspects?
How do you taste a cup of coffee? It can be grasped from the following aspects. First, the sweetness of sweet coffee can be felt in the mouth, especially on the tip of the tongue, and some sweet coffee beans will certainly be loved by the public, which is much more joyful than eating sugar. Second, the acid in sour coffee actually has two aspects. On the one hand, it can be said to be refreshing, juicy and pleasing.
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