How to brew coffee by hand for 4 people? How many grams of coffee powder do you need for 4 people?
Guide reading
Is brewing coffee for 1-2 people the same as coffee for 3-4 people? In fact, if you actually operate once, you will find that the brewing process is a little different, and the final flavor will be a little different, so how to fine-tune the parameters to stabilize the flavor of coffee.
What is the difference between the large amount of powder and the usual cooking?
The increase in the amount of powder means that the total amount of water injection also increases. For example, like the usual powder-to-water ratio at 1:15, 15g powder needs 225g water and 30g powder needs 450g water. If you follow the same water flow as 15 grams of powder, the injection time will be doubled, coupled with the increase in the thickness of the powder layer, so that the coffee liquid will flow into the next pot longer accordingly.
Therefore, if the parameter of 15 grams of powder is used to cook 30 grams of powder, the risk of over-extraction will also increase.
So how to adjust it?
Selection of ① filter cup
Some famous filter cup brands are equipped with small filter cups for 1-2 people and large filter cups for 3-4 people. Choosing the right filter cup will make it easier to cook. For example, the No. 02 filter cup of Hario V60 is basically one circle larger than No. 01, and the sewer hole is also larger than that of No. 01, so that it will not cause blockage and form over-extraction. The length of the ribs is the same as that of No. 01, which also prevents the "bypass" with too much water.
② lapping degree
Because of the thickness of the powder layer, in order to better drain water, the grinding can be slightly thickened. For example, if the grinding degree of 15 grams of coffee powder cooked in Qianjie is 80% of the pass rate of 0.85mm screen, then the grinding degree of 30 grams of coffee powder can be adjusted to 75% for better scouring extraction.
③ flow size
As mentioned earlier, if you follow the same flow of boiling 15 grams of powder, the duration of water injection will be doubled. Therefore, increasing the flow is an inevitable choice, but the premise of increasing the flow is still to ensure that the flow is vertical, otherwise the extraction will be uneven. The spouts of some hand pots are so small that they are suitable for small water injection, so it is very difficult to cook a large amount of powder. Qianjie recommends that the current be kept at 7-8g/s.
④ water injection scheme
As for the water injection plan, Qianjie thinks that it is OK to refer to the normal amount of powder, or take 30 grams of coffee powder as an example, the first stage of steaming water injection 60 grams, 30 seconds later 190 grams of water injection (up to 250 grams of water injection). Finally, 200 grams of water was injected to reach 450 grams of total water injection. As for the time, it will certainly increase (if the time is the same, it should be doubted whether the extraction is not enough). Generally, the cooking time of 30 grams is about 2 minutes and 30 seconds.
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