What is Cold Brew? How to properly make Cold Brew coffee at home

In Vietnam, almost everyone who makes coffee will also make it in the style of hot brew (Hot Brew), it can be said that very few people make cold coffee (Cold Brew). Each type of blend will have a different flavor, bringing a different feeling.

What is Cold Brew Coffee?

The smoothness and sweetness that come from cold brew coffee will be completely different from the aromatic and sour taste of hot brewed coffee. If anyone is a fan of coffee, they will know this difference. Both will have the same ingredients as coffee and water, but the difference here is hot water and cold water.

Many people misunderstand Cold Brew as iced coffee (coffee mixed with hot water and then added ice). However, Cold Brew is a way of making coffee with cold water for a long time of about 24 hours , the time taken, excluding the brewing time, is from 20 to 25 minutes.

Cold Brew coffee will have a different brewing method, which is to soak ground coffee powder in cold water, then let it stand, unaffected, and refrigerate for a long time (at least 12 hours) for the essence of the coffee to be released. . If done correctly and refrigerated for enough time, the coffee after brewing will definitely taste different from the hot brewed coffee you often drink.

Origin of Cold Brew coffee

Cold Brew – Cold coffee appeared many centuries ago in and originated in the land of Tulips (Netherlands) . This is the safest way to enjoy coffee on a ship in the fastest way for the trans-oceanic voyage of Dutch merchants and sailors. They soaked the coffee in a water tank and stored it under the deck.

Over the centuries, however, Japan is the first to be noted in the popularity of Cold Brew – the “Kyoto-style” cold brewing technique.

The Japanese have improved and created this way of drinking instead of letting the coffee soak for many hours, the extraction process is done by drips using 3-tier flask tools (a single drop of water is added to the coffee layer – another drop is extracted).

These tall tower extractors were soon used and became the symbol of Kyoto-Style brew coffee.

High tower coffee extractor

In the 19th century (late 60’s and early 70’s), cold brew coffee has really spread to many countries including the US, UK, Japan to the colonies of the Americas.

When it comes to America about cold coffee. Among them, it must be mentioned that Mr. Todd Simpson, who has a passion for cold coffee in Peru . In 1960, he successfully created his own method and patented the Toddy® Cold Brew System . This kit has helped extract 67% less natural acid content than hot coffee.

At the same time, it is also the main representative that makes Cold Brew coffee expand more in many countries today.

Later, a series of famous brands such as: Starbucks coffee giants, New Orleans giant Blue Bottle, or Stumptown began to produce great cold bottled take-away coffee.

Why you should drink Cold Brew coffee

According to the study ” Effect of grinding process, extraction time and type of coffee on the physicochemical properties and flavor of cold-extracted coffee ” by author Nancy compiled and abridged by PrimeCoffee, it shows the total content The acidity in coffee extracted with hot water is higher than with cold water . This shows that some people have stomach upset after drinking coffee because the acidity of coffee dissolves quickly with increasing temperature. Therefore, if you use Cold Brew, you will avoid such situations and also be better for your health .

Not to mention, the taste of coffee will be smoother, less bitter, so it can meet the needs of a sober drink for those who are uncomfortable with the bitter taste of coffee.

Moreover, cold brew coffee has a fairly simple way of making with common tools, without the need for specialized equipment to extract coffee, suitable for those who want to make their own coffee at home.

How to make Cold Brew coffee

Prepare materials

• 250g ground coffee
• Colander
• A few pieces of filter paper
• Large glass vase

Doing

Step 1 Prepare about 250g of ground coffee, you can choose your favorite coffee.

Step 2 Divide the coffee into 2 equal parts , put half of the coffee with 500ml of water into a large glass jar and stir well, let the coffee “rest” for about 5 minutes .

Step 3 After 5 minutes, continue to add the remaining coffee and 500ml of water at normal temperature and then continue to stir well.

Step 4 Close the lid of the glass jar and put it in the refrigerator for about 12-24 hours . The time will vary depending on the amount of coffee.

Step 5 After a period of 12-24 hours, you take the coffee out. Prepare a strainer lined with food filter paper. Pour the coffee through a strainer to get the water. After the coffee runs down, remove the coffee grounds, do not use your hands to compress the coffee to let out all the water.

Step 6 Continue to filter through the sieve again to make sure there are no coffee beans left.

So we have finished this unique Cold Brew coffee, this coffee can be mixed with sugar or fresh milk depending on your preference. And better, you should limit mixing with condensed milk to avoid bad reactions for the digestive system.

Principles when making basic Cold Brew

Brew coffee with hot water – Brew Coffee: Drip coffee, Nel drip coffee,…

Make coffee with hot water

The advantage of this method is that it takes only a few minutes to make , especially it has a strong aroma and outstanding sour taste if light or medium roasted arabica coffee is used.

To do this, simply pour hot water into the coffee grounds so that the coffee is submerged in the water. Hot water mixed with coffee powder flows through a layer of filter and falls into the cup.

How to make cold coffee – Cold Brew Coffee

How to make cold coffee

The advantage of this blend is that it has a deeper taste, less sourness and a more delicate taste, which is why this blend is gradually gaining popularity around the world. Thanks to the slow extraction process, the coffee is denser than conventional brewing.

To make cold coffee, soak ground coffee grounds in cold water at room temperature or cold water , similar to how you “brew” in tea, and wait a few hours. Coffee will be extracted from coffee grounds.

Note when making Cold Brew coffee at home

Note when making Cold Brew coffee at home

• The delicious taste of coffee is determined by the quality of the beans , so you should pay much attention to the stage of choosing coffee to buy. You can consider brands like Robusta, Arabica (medium roasted Arabica, light roasted Arabica),…

• Make sure your coffee powder is coarsely ground coffee , not finely ground coffee like filter coffee.

• During the coffee filter step, do not use your hands to press down the coffee grounds to avoid the coffee being clear .

• Cold Brew coffee is best used within 7 days after brewing , don’t let it take too long to lose the coffee flavor.

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