The skill of making a latte (2)

milk foam

I could write another article on this question alone, and how to get the right milk foam is also a science! There is a popular science article called "milk foam formation" written in great detail, Yun Wuxin wrote an article called "cappuccino bubbles in the laboratory" is about how to consider increasing the foam of coffee in vending machines.

Simply put, it takes protein to form structures in milk, fat to stabilize structures, and the right temperature to activate proteins. Milk foam looks similar to coffee fat foam structure, particle size is also in the micron level, let's go.

So what should I pay attention to when using the coffee machine to make milk foam?

Quick Tip: Milk for Lattes and Cappuccinos

Here's the difference between latte and cappuccino foam, see?

The tube is hot steam, and if you put the tube below the surface, you get twice the volume of hot milk foam, and the whole system is a very uniform microfoam system, and this is milk foam for lattes; Cappuccino is to put the tube close to the surface of the liquid, in fact, this tube has three small ports, two ports below the liquid surface, one port above the liquid surface, manually adjust, through the surface of the liquid-air contact to force more gas into, so that the milk foam can become three times the volume, at this time you will hear a very sharp and piercing sound, is the air in the liquid crevice roar! Friction! Friction!

So when you go to a coffee shop and you order cappuccino, you hear a squeaky noise, and when you order latte, you don't have that noise except when you start and finish puffing.

Now! Assuming we get two symmetrical foams, how do we mix them together for pulling?

This is the artist's business, basically nothing for me.

But! Have you ever wondered why it is called a flower? Why do you use this "pull"? When do you pour the foam down to draw flowers?

Below is a series of detailed illustrations! The video can be found on YouTube: Latte Art.

Step 1: Prepare the espresso and foam, pour the foam directly into it (the success rate of foam made by professional coffee machine is relatively high)

When you pour down the foam should be fast first and then slow, fast when the foam because of the impulse, sink, and then float up because of the force of the liquid, wait until you see the right half of the liquid color has turned white when you can start to "pull", the foam cup pulled a little further to observe the liquid state, and then close to continue to pour, shake the cup to become even point.

Here is the first important pull! The color of the coffee is lighter.

Step 2: Wait until the white and brown patterns have appeared on the surface. Start pulling slowly. Here is the second important pull. Control your hand slightly, and then observe whether the white foam has stayed on the surface and will not sink.

Step 3: Wait until the white and brown patterns have appeared on the surface, then slowly start to pull the flowers, and carefully pour them little by little.

Step 4: Gently sway left and right and step back to get this pattern. At the end, pull back a thin line to get the leaf shape shown below.

If you don't shake it, you can get a circle layer by layer directly, and then pull it back to have a heart shape, which girls like best. How to Make a Latte Art Heart| Perfect Coffee

As long as the control of direction, shaking, a variety of small changes can be obtained below a variety of pull flower works.

But all shapes are basically leaf or heart-based, but there can also be radial shapes, in addition to two-dimensional drag, but also can be stacked into space. The bear in the picture below should be counted as "carved" category, this time not detailed.

Application and Summary:

If you want to try making latte flowers yourself, here are some tips:

1. Good coffee, good crema.

2. Good machine, good milk, good foam.

3. Eye disease, steady hands, fast and slow

4. Temperature, foam and coffee temperature consistent (cold pull)

Of course, the skills and knowledge of professional baristas are not covered. To reach the level of being handsome in front of girls, you need to systematically learn coffee-related knowledge!