Introduction to video tutorial on how to steam milk in semi-automatic coffee machine
Semi-automatic coffee machine foam tips how to steam milk video tutorial introduction
I. Methods used in teaching students:
The first step is to understand the correct operation process of the coffee machine steam system, understand the purpose of the empty steam pipe before and after the milk bubble, and understand the importance of towels and cleaning in coffee making.
The second step is to learn how to touch the milk surface with the nozzle, the position of the selected point, and the depth of the selected point.
The third step is to recognize two temperatures. One is the temperature at which foaming begins and ends, and the other is the temperature at which foaming is completed. These two temperatures are very important for beginners, which is directly related to whether the principle of milk foam is mastered. To start with foaming, the milk is initially cold (preferably sufficiently refrigerated at 5 ° C), which can extend the foaming time so that it can foam fully and finely, and then open the steam valve to foam the milk. Foaming to the same temperature as our human body (feel neither cold nor hot), foaming cut-off. Because our hand temperature is about 30° C, so I personally think that the temperature of milk foam can be mastered between 65-70 ° C. Because if it is too hot, it will destroy the nutritional value of milk.
Next, let's talk about the temperature at which the frothing stops. In fact, there are many theoretical statements about this temperature, which are unknown here, and we will talk about feelings when discussing the flavor of liquid milk in the future. Let me just say what this temperature feels like on the hand. This temperature is hot when we feel it with our hands (in continuous heating), but it can last for two or three seconds; when the temperature is reached, stop heating (stop heating the rear end feels very hot in the hand, but it can be held).
In some places, thermometer is used to measure. I think this teaching method is not good. Technology is something that needs people's heart to understand. It is not very beneficial to improve people's own technology with the help of external forces.
The fourth step is to recognize a dead angle between a milk frothing cylinder and a coffee machine steam pipe. Read a lot of domestic and foreign barista operation to play milk foam, plus their own constant attempts, found that there is a dead angle to play milk foam, just like playing video games, some dead angles are bullets can not hit you, but you can hit others. This angle is very troublesome to say in words, probably the cylinder mouth of the flower cylinder must be lifted, and the cylinder body should be inclined according to the rotation direction of the milk foam.
Step 5 Find the vortex. The role of this vortex is to foam out of the coarse foam through the vortex pulled to the surface below, so that the surface clean. Vortices have many states, and each one needs to be observed and remembered. This is a very deep point, I simply point it, to have a vortex, steam pipe nozzle can not be too deep under the milk.
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How appropriate is the grinding scale of the bean grinder?-how much is the thickness of the bean mill?
What is the appropriate grinding scale for the bean grinder?-the common coffee grinder, though not the best, is the most common. This type of grinder is designed to grind well, but blade friction may lead to the burning of some coffee beans. In addition, this approach does not provide the best consistency. Another type is the disc grinder. It's also divided into two.
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Video introduction to cleaning steps of Merlot Coffee Machine
Merlot Coffee Machine cleaning steps Video introduction in 1903, Desiderio Pavoni obtained the design patent of Bezzera, and he began to manufacture this kind of coffee machine in 1905. After that, Teresio Arduino began to produce similar coffee machines, and other producers followed suit. In the 1920s, coffee shops in Italy could see signs of this kind of coffee machine.
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