What is cold coffee? How to make cold extract coffee? is cold extract coffee good?

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A few years ago, a new and fashionable coffee practice emerged in Europe and the United States-cold coffee Cold Brew Coffee. Simple violence is easy to use, good-looking, but also can be stored in a short period of time, the taste is also very distinctive, instantly popular all over the world. However, many people think that cold coffee must be complicated and demanding. As everyone knows, cold-extracted coffee is actually one of the easiest to make coffee at home!

I've had too much iced coffee. What on earth is cold coffee?

In fact, cold coffee is like a good friend of iced coffee, they are the same coffee, but the process and principle are completely different! To put it simply, the biggest difference between the two is "temperature". Iced coffee is the coffee we usually brew with ice to cool it. As the name implies, cold-extracted coffee is "extracted" with "cold" boiled water. The two are not only different in production methods, but also in taste.

Let's first introduce the characteristics of cold-extracted coffee:

The taste is sweeter:

The flavor molecules in coffee have a dissolving order, and the aromatic small molecules will be extracted first, and then the bitter and heavy macromolecules. When brewing coffee with hot water, it often dissolves too many bitter molecules because of improper temperature and time control, so that the taste of the coffee is not good. Cold-extracted coffee is extracted with cold water for a long time, only dissolving the small molecules such as fruit acid, flower fragrance, etc., which tastes strong and smooth, showing the best original taste of coffee. Being not bitter or sour is the main reason why cold coffee is popular with many people.

Durable storage:

When any food is heated, it becomes perishable because the molecular structure is destroyed. Hot water brewed coffee has a very short shelf life, and the taste begins to deteriorate after being kept for more than 45 minutes. Cold-extracted coffee is not heated, so its shelf life is very long. After extraction, it can be kept fresh in the refrigerator for two weeks. The fermentation process also changes the taste of the coffee at different levels. It is generally recommended to put the cold extracted coffee in the freezer for 1-3 days before drinking, the flavor is better.

Do not hurt the stomach:

Many people with bad stomach will stay away from coffee because of the stomachache caused by ordinary coffee. Cold-extracted coffee lacks a lot of stimulating molecules in hot-extracted coffee, so it is mild and round without harming the stomach, which is a healthier choice.

Contains more caffeine:

Although caffeine is easily extracted at high temperatures, the coffee powder used in cold-extracted coffee is in contact with water for a long time, has a larger proportion, and is more evenly soaked, so the caffeine in cold-extracted coffee is absolutely sufficient.

Next, the editor will teach you how to make delicious and delicious "cold coffee" super simply.

It only takes 3 steps and simple tools and very affordable raw materials to make your summer cold coffee!

Step 1: prepare two packs of hanging ear coffee

Grinding thickness and so on is really troublesome, now the mill needs to prepare the bean grinder first, the cost is too high, at this time, only need two packets of fresh hanging ear bag coffee, can easily meet the requirements of making cold extracted coffee! It's simple and affordable!

Why two packs of hanging-ear coffee? Because the extraction of cold-extracted coffee is relatively slow, and the substance extracted is less than hot water extraction, the ratio of powder to water is larger, usually around 1:10, that is to say, a bag of hanging ears (10g powder) is paired with about 100g of water. Coupled with coffee grounds absorption, you may only get about 80 grams of cold-extracted coffee in the end, waiting for such a long time, of course, it is enough to do more at one time!

Step 2: soak and refrigerate

Prepare a container, no matter what material it is, plastic, glass, ceramic, etc. It doesn't matter whether you have a lid or not, but make sure it is deep enough to hold coffee and water. First of all, take apart the ear bag and pour the coffee powder into the container (never lose the ear filter bag! Keep it useful! ), and then add cold boiled water, preferably ice water below 5 ℃. As mentioned above, low temperature extraction is the characteristic of cold extracted coffee. Using 4 ℃ water extraction and 24 ℃ water extraction will get different taste.

Stir slightly and make sure your coffee powder is moist and soaked, then soak in the freezer for 12 hours. The soaking time is very important. If the time is not enough, the extraction will be insufficient, the flavor will be light, and the time is too long. It will be hard to wait! Ha ~

Step 3: filter

After a full 12 hours of waiting, the coffee immersion extraction is finally completed!

At this time, you need to prepare a cup of cold-soaked coffee. The front ear bag filter bag has not been lost, has it? Pour the soaked cold extracted coffee into the filter bag to separate the dregs, and after a moment of complete filtration, you will get your cold extracted coffee.

In this way, you can have delicious cold coffee in an ultra-simple way, and it can be refrigerated in the refrigerator for up to two weeks. You can add ice to adjust the concentration, or you can add milk or other things you want to season.

Slow workers can do fine work, cold coffee is like the essence of time extraction, every drop is so precious. Whether it is to relieve the heat or taste fresh, you who love coffee must not miss the good taste of cold coffee!

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