The eight steps of making coffee foam teach you how to play.
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 foam, and understand the importance of towels and easy cleaning in coffee making.
The second step is to learn how to use the sprinkler to touch the milk surface, the location and depth of the selected point.
The third step is to recognize the two temperatures. One is the starting and ending temperature of foaming, and the other is the temperature at which the milk foam is made. These two temperatures are very important for beginners, which is directly related to the mastery of the principle of foam. First of all, when it comes to foaming, the milk is cold at first (preferably refrigerated at 4 ℃), which can prolong the foaming time and make it foamy and delicate, and then open the steam valve to foam the milk. When foaming is consistent with our body temperature (feel neither hot nor cold), the foaming is cut off. Because our hand temperature is about 30 degrees, so I personally think that the temperature of milk foam should be between 65 and 70 degrees. Because if it is too hot, it will destroy the nutritional value of milk.
Next, let's talk about the temperature at the end of milking. In fact, there are many theoretical theories about this temperature, but it is not detailed here. We will talk about the feeling when we discuss the flavor of liquid milk in the future. I just want to talk about what the temperature feels like on the hand. When we feel this temperature with our hands (in continuous heating), it is hot, but we can stand it for two or three seconds; as soon as we feel warm, we stop heating (the back end of the heating feels very hot on the hand, but it can hold it).
In some places, thermometers are used to measure. I think this kind of teaching method is not good. Technology is something that people need to understand attentively, and it is not very good for people to improve their own skills with the help of external forces.
The fourth step is to know a dead angle of contact between a foam-drawing jar and the steam tube of a coffee machine. After watching a lot of domestic and foreign baristas beating milk foam, coupled with their own constant attempts, I found that playing milk foam has a dead angle, just like playing video games, some dead corners can not hit you, but you can hit others. This angle is very troublesome to say in words, probably because the nozzle of the flower jar must be lifted, and the cylinder block should be tilted according to the rotation direction of the foam.
Step five, find the vortex. The function of this vortex is to pull the coarse foam below the liquid surface through the vortex to make the surface clean. There are many states of a vortex, each of which needs to be observed and remembered. This point is so deep, let me keep it simple. If you want to have a vortex, the sprinkler of the steam pipe should not be too deep under the milk noodles.
The sixth step is to pull the vat down and up. When the sprinkler is in good contact with the milk surface, that is, open the steam valve, the vat moves down very slowly, and you will hear the "squeak" steam "cut" with the milk (about the shear force, when we discuss the principle of milk foaming later, talk slowly!) The sound made is commonly known as "the sound of air intake". The sound of air intake to human body temperature can no longer appear, otherwise, there will be a lot of coarse foam on the surface.
At this point, move the cylinder up a little bit (just a little bit, which is important, which is understood by many to keep moving up, which is very wrong), and let the steam sprinkler away from the cutting surface so that you can't hear the "squeak" sound. At this point, by adjusting the angle of the vat, remember that it is the angle, not the position of the sprinkler and the surface (very small angle adjustment), find the vortex, pull the coarse foam off the surface in the foaming stage, and continue until the temperature reaches the hot temperature.
The seventh step is to understand the state of milk after steam and how to deal with milk bubbles. After getting rid of the milk, it is not the ideal foam, but in a layered state, the lower layer is heated milk, and the upper layer is the "foam" after discarding, so we have to deal with the milk after discarding. Shake up and down to remove the coarse foam from the surface. Shake and let the hot milk mix well with the top foam to form foam. This step is very critical, some friends do not attach great importance to this point, then all previous efforts will be wasted.
Before the eighth step, the milk foam has been in a state of shaking in the flower jar to avoid the layering caused by this. This is a professional habit that must be developed.
After these eight steps are completed, the perfect coffee foam will appear. The addition of coffee milk foam makes coffee have more beauty and better taste, so coffee milk foam has always been loved by coffee control. Can you make a perfect milk bubble? hurry up and follow the above eight steps. You are one step closer to charming coffee.

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Coffee quality is more important than pulling flowers
Of course, as an art form, pulling flowers is not without half a dime. The premise is that at least the coffee should be delicious, and then the quality of pulling flowers should be improved on this basis. Or, based on the concept of fine coffee that now returns to its original nature and fades its overly gorgeous aura, only a simple heart shape is needed to perfectly interpret the essence of Italian coffee, giving customers a heart and turning back to deep knowledge.
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Here are the types and recipes of coffee. Here are all your favorite coffees.
Brevet / Cafe Breve is very much like a latte, except that it is not milk, but a mixture of half-milk and half-cream, sometimes with a little foam. Cappuccino traditional cappuccino coffee is 1/3 espresso, 1/3 steamed milk and 1/3 foam milk. Cappuccinos are divided into dry and wet ones. Dry cappuccino (
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