What is the most important thing to make a good cup of coffee? How to set the coffee extraction parameters? Entry-level skills of barista.

If we want to make a good cup of coffee, then the most important thing is our coffee beans, all the production is around it, so the quality of coffee beans directly determines the quality of a cup of coffee, how to choose coffee beans? If you can make espresso, you can use special coffee beans for espresso. This kind of coffee beans are deeply roasted, have excellent oil, and have a balanced and clear flavor, so they are very good for making milk coffee. When making hand-brewed coffee, you need to choose coffee beans first until the taste preference, each producing area has its own unique flavor, African coffee is sour, Asian coffee is mainly herbal spice, while American coffee is more balanced. Nuts and cocoa are more prominent.

After selecting the coffee beans, we can proceed to the next step, a very important step is to adjust the grinding degree, here we need a good bean grinder and the correct grinding parameters, what's the difference between a good bean grinder and a bad one? A good bean grinder has the advantages of uniform distribution of coffee particle size, high grinding precision and much cleaner taste than the poor bean grinder.

For the first time, we also need to adjust the water temperature, time, water ratio and so on. Here we can use a basic framework, that is, if the coffee is too sour, we can increase the extraction rate, for example, increase the water temperature, or adjust the degree of grinding. if the coffee is too cool, we can reduce the extraction rate, lower the water temperature, or increase the degree of grinding.

Finally, it is also easy to overlook the point that the finished coffee should be finished as early as possible. Only in this way can we taste its best flavor.