Complete Guide to Cold Brew Coffee

Now many Cold Brew Coffee is sold in well-known cafes in big cities. What is Cold Brew Coffee?

Cold Brew Coffee is coffee made with a different brewing technique than the usual, namely by cold, not brewed with hot water. Coffee grounds that are exposed to hot water automatically do not produce high acidic substances, so this type of coffee is safe for consumption for ulcer sufferers who usually cannot stand the acidity of coffee brewed with hot water.

This guide can be used for housewives who want to make their cold brew coffee at home, cafe owners who want to sell bottled cold brew coffee in their cafes, or just want to know about this type of drink.

Before fully understanding about Cold Brew Coffee, let’s study traditional coffee brewed with hot water.

Traditional coffee is made by brewing coarsely ground coffee beans in hot water. The hot water will absorb the aroma and taste of the coffee beans.

Read too: Already Tired of Instant Coffee? Check Tips for Making Cafe Style Coffee at Home

Maximum manual brewing time is 5 minutes. Another case with a coffee machine that only takes 2-4 minutes, even an espresso made with the fine grains of coffee beans only takes seconds.

During the brewing process, certain oils and acids found in the coffee beans will come out when they come into contact with hot water. This is what causes the acidity level of coffee to be high. And usually neutralized with cream and sugar.

Water also plays an important role in brewing coffee. If the water is not fresh or clean or the brewing temperature is not right, then there will be a certain taste in the coffee that causes the coffee to taste bad.

This bad taste usually occurs because the water temperature is not suitable or the coffee brewing time is not quite right. If the brewing takes too long, it will become too thick (over-brewed), and vice versa, if it is too fast, it will become thin or thin (under-brewed).

The way to enjoy coffee that has been brewed properly is to drink it immediately, don’t leave it for too long because the good taste of the coffee will fade away.


Following the explanation above regarding the traditional way of making coffee, coffee is made from a mixture of hot water and ground coffee beans.

The difference between cold brew coffee and traditional coffee is time. Cold-brew coffee takes hours to release its aroma. From my experience, the cold brew coffee that I deposit for hours usually tastes just right, delicious, and smells good. Once I made it past 20 hours, and it tasted even more bitter.

To make the coffee taste more optimal, I suggest grinding the coffee beans into coarse grains, not too fine.

There are many ways to make cold brew coffee, ranging from simple to quite complex.

From this cold brew process, we can produce coffee that is ready to drink or coffee that is quite thick and requires a mixture of water again when we want to drink it. Both can be stored in the refrigerator for quite a long time.

And even more special, this cold brew coffee can be heated when you want to drink it so that the aroma will come out even more fragrant.

Read too: Coffee Maker: How To Make Coffee


* Mason Jar/jar with lid

* Filter / Strainer

* Coffee filter paper/filter cloth

There is one cold brew coffee tool that is very practical to use at home. This glass can hold a week’s supply of coffee. With this Takeya, we can put coarse coffee grounds, let it soak in the glass, and filter it all at once.


For cafes, of course, the supply of cold brew coffee cannot be only one or two liters. A larger-scale requires other equipment that is more practical and adequate to accommodate more fluids.

This tank can hold up to 15 gallons and has a filter made of stainless steel. This tool is easy to clean and has a tight cover so it is safe from insects or animals that can enter.


Until now there has been much debate as to whether it is better to let the coffee bean grains soak at room temperature or the chiller refrigerator temperature.

I’ve tried both. One time I let my coffee-soaked in water cool to room temperature, and one time I put it in the refrigerator. In my opinion, the results are almost the same. There isn’t much difference.

In essence, when we cold brew coffee, we want to make coffee that doesn’t emit acid. So back to your respective choices, yes, if you want to leave it at room temperature you can, you can store it in the refrigerator too. To be sure, leave it between the hours.


Cold Brew Coffee can be made concentrated so that it produces a coffee concentrate that must be mixed with water or other liquids when it is to be drunk or which is ready to drink just like that.

Coffee Concentrate

Usually, to produce coffee that is thick enough to use this ratio. 350 grams of coarsely ground coffee beans and 1600 ml of water. This is not an absolute recipe huh. Can be adjusted to each taste.

Cold Brew Ready To Drink

I usually use 100 grams of coarsely ground coffee beans with 1400 ml of water. This usually makes about 1⁄2 cup cold brew coffee that can be refrigerated and ready to drink.

Read too: How to Make Special Black Coffee


Prepare 100 grams of coarsely ground coffee beans. Put it in the container/mason jar. Enter 1400 ml of water. Store in the refrigerator or a cool room. Close the container. Leave it for hours. My advice, clock. I used to soak it for 14 hours and it smelled really good.

After 14 hours, strain the water, the coarse grind of coffee beans can be used for scrub baths too! Coffee liquid that has been filtered still needs to be filtered again using a coffee filter to make it smoother. If the liquid that comes out through the coffee filter is difficult to penetrate, you can replace the coffee filter with a new one.

Store the coffee liquid that has been filtered with a coffee filter into a mason jar or bottle. It’s ready to drink. Can be poured into a glass and given ice cubes or heated first. Depending on taste.

For those who like to add milk, I give my signature Latte recipe:

1 cup cold brew coffe (200 ml)

50 ml milk (maybe fresh milk or UHT)

25 ml whipping cream (animal or vegetable)

Add a pinch of Ceylon cinnamon powder (optional)

If you like, you can add 1-2 teaspoons of Baileys or 1-2 teaspoons of Blackstrap Molasses.

Read too: Various Ways Of Make Coffee, The Benefits Of Coffee


For ulcer sufferers who can’t stand the acidity of hot brewed coffe, you can try this cold brew coffe, because the level of acidity is very minimal. This type of coffee is arguably healthier than regular brewed coffee.

In terms of taste, it is not inferior to regular brewed coffee. So just give it a try, maybe you like it. Easy, right?

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