5 Mistakes in Fancy Coffee Steam Foam Production
For milk foam, there are several misunderstandings that we need to understand, so that we can better understand milk foam.
The first misunderstanding: the use of shaking up and down to pull the vat to remove the rough foam on the surface. This is a very good method, but many friends have a strong dependence on this method, their own milk foam did not play well, do not summarize why they did not play well, but use this means to make up for it. In the long run, there will be dependence. Here I must say that if we only rely on this way to get rid of the coarse foam, there is no way to improve the foam technology, nor can we practice the advanced skills of pulling flowers.
The second misunderstanding: scoop off the coarse foam with a spoon. This method is what I reject most. Although some contestants use some methods in the competition, I think this is because their milk foam technology does not pass, the surface is too thick to shake off, can only scoop. For those who use similar methods to deal with milk bubbles, be sure to strengthen your steam control technology in milk foam.
The third misunderstanding: after beating up the foam, put it aside for a while. This method is very annoying, which is a form of expression that the milk foam technology has not been introduced yet. This will aggravate the delamination of milk bubbles, and the integration of hot milk and foam can not be completed late. if you do not pay attention to it, it will become milk and foam. The whole cup of coffee doesn't balance the taste.
The fourth misunderstanding: the two jars will fall in a very high position, the original purpose is to merge, but to arouse more coarse bubbles.
The fifth misunderstanding: the milk foam is not good, blame the steam. The author believes that the steam pressure of the coffee machine (that is, boiler pressure) is relatively easy to grasp in 0.8BAR, this pressure is very long, and it is easy to understand the principle of milk foaming, but it takes about 13 seconds to make a cup of milk foam, ah, not as fast as the pressure. If the air pressure is 1. 0 or 1.1BAR, the way and method of bubbling will change, but the principle is the same. (at this point, it is necessary to rule out the phenomenon of "vomiting" caused by impure steam, and the flower jar is also shaking violently. If this happens, please empty the steam and try to heat it fully again.)
The above are the misunderstandings that come to mind now, which are quite common, and there are still some that I can't remember now. I'll add them when I have time.
Solution to the problem that milk foam can not be injected into espresso smoothly
We often make cappuccino coffee, there will be milk foam can not be smoothly injected into espresso, this is why?
The first is that the milk foam is 80% to 90% full, which can be solved by 10% less than dry.
The second is that the crema surface of the espresso is too shallow from the bottom of the cup, causing the foam to float on the crema as soon as the foam is injected. Solution: tilt the cup as much as possible to increase the depth of the surface and bottom of the crema meter. When injecting, inject it to the deepest point.
The third is that the foam is close to the cup when it is injected into espresso, so that the foam does not penetrate crema enough. Solution: 10-15cm higher than the cup mouth to inject milk foam, increase the acceleration of foam injection into crema, so that it can smoothly penetrate crema.
The fourth is to solve the problem by means of integration. If the foam is still white on the crema when it is injected (for a small amount, the surface is about 1 beat 3), then immediately reduce the amount of foam injected, make a circle in the cup, and then lift the flower jar up, you can flush the whitened one under the crema.
Fifth, when you pull flowers with seven-point full or six-point full milk foam, the crema will be washed away without increasing the flow. Solution: reduce the foam flow and slowly circle the entire crema until the blend is in place.
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Fancy Coffee Milk foam production and Milk foam treatment
I often see many friends discussing the issue of flower drawing, and some friends have pointed out that the most important thing is to make a good jar of milk foam. I quite agree with this view. To pull flowers well, the most key factor is the milk foam, in fact, the method of flower drawing is relatively simple.
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Commercial semi-automatic espresso machines have a wide variety of brands, but the methods of use are similar, but how to extract a good cup of Espresso does require long-term learning, training and a lot of experience to do.
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