28 Mar 2018
Do you know what a professional barista must do before opening the cafe at every day? Let one way valve tells you that the debugging of espresso is an important compulsory course for a barista to do at every day. It seems that the process of a cup of perfect Italian espresso is simple, but after every value debugging to the most accurate state to present, and this is the basis for all milk-coffee.
Firstly step: choose coffee beans
To make an espresso must choose the seasonal new beans, fresh roast. We choose the coffee beans of different regions to blending, and achieve a balanced taste and full sweet taste; medium-depth roasting, two-week cultivate beans period, let the coffee bean extracted at a best state. A cup of good Italian espresso is not only has a strong taste, but also have a balanced taste between bitter and sweet, and also has a rich fatty.
Second step: grinding and coffee powder weight
Grinding and coffee powder weight are the beginning of a cup of good espresso, grinding too coarse or uneven coffee powder can lead to the extraction of espresso is not enough or excessive. We choose the Black Hawk grinder which use for competition to ensure the uniformity of coffee powder. At the same time, the accuracy of coffee powder weight is also crucial. One espresso needs 7g-9g of coffee powder while double need 15g-20g.
Third step: extract a cup of good coffee
The ratio of water and coffee powder is the key to determine espresso? Cloth powder, water temperature, pre-soaking, extraction time, coffee bean status these are our daily considerations and adjustments parameters.
Tag: one way valve
Originally published 28 Mar 2018, updated 28 Mar 2018.
Take the coffee bean as an example, the steps from plant, pick, roast, are all connected , without the one-way valve usually make the coffee less fresh.02 Aug 2020
The external oxygen will be stopped from entering the bag, so that the package is in a working state, thereby protecting the freshness of the food in the bag.25 Jul 2020
When storing the coffee, we need to avoid light and heat, and keep it in a dry environment, we then need to use coffee packaging bags with coffee valves.