36 votes
Accepted

How will "cold brewed" coffee differ from traditional hot-water extraction methods?

Cold Brew Coffee - A Brief look at Flavor Profiles My company builds flavor profiling and quality control tools for the craft beverage industry, using machine learning, data science, and analytical ...
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  • 1,681
15 votes

What roast level is recommended for cold brew?

I'm going to answer this in terms of flavor, and then acidity. Generally, people choose more lightly roasted coffee to preserve the terroir flavors of the bean. These flavors usually come from ...
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14 votes

What do I need to start cold-brewing?

There are two ways to start with: plunging and dripping. Plunging is to mix water with ground coffee, and let the mix sleep slowly. Dripping is the same as classical hot-water dripping, except the ...
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  • 2,275
13 votes
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How does the temperature of the water affect the taste of the coffee

Temperature affects extraction rate, but also varies between compounds in the coffee beans. Coffee grounds contain a hodgepodge of volatile and non-volatile components, such as various oils, acids, ...
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10 votes
Accepted

How long will cold brew keep?

From anecdotal experience freshness and flavor begins to fade within ~7 days with regular storage methods. Many people brewing cold brew online state between 5 days and 2 weeks is okay to keep cold ...
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  • 521
10 votes

How can I make filtering my cold brew easier?

I tried making cold brew for the first time recently and I just poured the whole mess through the reusable metal screen filter that came with my cheap drip coffee machine. My drip machine is the ...
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  • 1,695
9 votes

How can I make filtering my cold brew easier?

Use a tea infuser! I got a tea infuser with a very fine mesh and put my grounds in that. It holds fewer grounds than I used with the "raw" plunge, but it's much more pleasant to use: I just pluck the ...
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  • 321
9 votes

Is "cold brew" an oxymoron?

Yes, the term is an oxymoron. Miriam Webster agrees with your definition of brewing involving hot water: to prepare (as tea) by infusion in hot water That is why the word cold is used as a ...
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8 votes

What's the recommended coffee to water ratio for cold brew?

First, make sure to study What do I need to start cold-brewing. But since concentrate is not discussed there, I don't think your question is a duplicate. Your French press concentrate could last a ...
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8 votes

What do I need to start cold-brewing?

Cold brew is simply brewing coffee in cold water. It's usually a long process (about 12 hours), but totally worth it. The simplest method is using a french press. Measure the amount of coffee and ...
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  • 426
7 votes

What do I need to start cold-brewing?

Excellent description and answers already (upvotes all around...); here's another take and some links to external resources and experimentation. I use the "plunging" method, mixing grounds directly ...
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  • 8,497
7 votes
Accepted

What coarseness of grind works best for cold brew?

Two guides do have specific (though differing!) recommendations on coarseness of grind for cold brew. Blue Bottle recommends a grind a bit finer than paper-filtered drip coffee (they compare it to ...
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  • 8,497
7 votes

Warm Brew Coffee?

Well I'm a chemist, but I can't say I'm an expert at scientific coffee extraction; take what I've got to say with a grain of salt. Whenever you are extracting something into water, the temperature ...
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6 votes
Accepted

What's the recommended method for heating cold brew?

The best result I got was warming up in a bain-marie. No science here---just my trials... I believe for now that bain-marie preserves more flavours and "respects" the aromas. Heating cold-brew coffee ...
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  • 2,275
5 votes

Is it possible to Cold Brew using an Aeropress?

Don't brew in the Aeropress itself. Brew in a jar like in classic methods and use the Aeropress only for fast and easy straining, taking care not to stir up the grounds from the bottom of the jar as ...
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  • 131
5 votes

Is there a difference between cold brewing in the fridge vs room temp?

Well if you put it into a fridge, all you are doing is slowing down the process. Cold brew is one of the hardest things to mess up if you ask me, so I would just brew it room temperature. If you ...
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  • 743
5 votes

How to make cold brew concentrate?

Like @Shiri said in comments above (and hopes that I'm not answer-sniping), most recipes for cold-brew are concentrates. Within reason, try brewing with a smaller amount of water! Compare guides like ...
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  • 8,497
4 votes

How can I make filtering my cold brew easier?

Well this idea was not entirely mine. Some of my senior colleagues gave me this idea a long time ago. When I make Cold Brew, what I do is: First simply let the coffee grounds steep in the water (no ...
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  • 141
4 votes

What's the recommended coffee to water ratio for cold brew?

17:1 water to coffee ratio (by weight) for regular coffee 4:1 ratio for cold brew The extraction will also be impacted by things like grind size, water temp & dwell time so in order to get a "...
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  • 266
4 votes

What's the recommended coffee to water ratio for cold brew?

The standard recommended ratios for cold brew are: | Roaster | oz Coffee | oz water | time | ratio | |----------------------------------------------------------| |Stumptown | 12oz ...
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  • 1,681
4 votes
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How can I improve this Chemex cold brew method?

What you're talking about is the "Japanese iced coffee" method, which is hot-water brew directly over ice. In contrast, cold-brew is using cold water in contact with the grounds. See techniques at ...
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  • 8,497
4 votes

Warm Brew Coffee?

There are a few principles involved here (a chemical engineer's perspective on leaching - essentially coffee brewing is just that). As Eli mentioned, solubility in water for most materials increases ...
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  • 41
4 votes

Cold Brew Coffee at home?

One method is to use submerge your grounded beans in water for 24 hours and use a traditional cone filter. Place the filter in a pour over cylinder if you have one and that will remove the grounds ...
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4 votes
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Cold Brew Coffee at home?

The easiest way to go is doing a full-immersion cold-brew. Grab a Mason Jar, Jar, beer bottle, anything. Grind your coffee (normally for french press) Put natural temperature (24°C) pure water. Let ...
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4 votes

Cold Brew Coffee at home?

If you happen to own a French press, just put your ground coffee in there with water and either leave on the counter or place in the fridge. Next day, stir if you like, press and pour. No fancy ...
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  • 841
4 votes

Difference between cold brew and iced coffee?

Iced coffee is simply hot brewed coffee or espresso that has been poured over ice, and possibly mixed with contaminants like milk and sugar ;) Cold brew is coffee that has been brewed with cold water ...
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3 votes
Accepted

Best filter to use for cold brew?

I find the very same problem with cold brew taking a long time. Though we have a few Q/A about this in the cold-brew already, I think could stand on its own! I use a "two-phase" method: using first a ...
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  • 8,497
3 votes

How long will cold brew keep?

As annoying as it is, I would say venture to say that making a month's supply of cold brew is not a great idea. Normal cold brew will begin to lose its flavor after a week, if you're lucky a week and ...
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3 votes

Is it possible to Cold Brew using an Aeropress?

This might not be what you are looking for, but when I make cold brew in my french press, I don't like the grit and particulate that slips through the filter of the press. To remedy this, I run it ...
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  • 429
3 votes

Sealed or non-sealed immersion cold-brew

This is just a guess, but I suppose using a non-sealed container would speed up oxidation and deterioration of the coffee due to continuous exposure to atmospheric oxygen, just as storing the dry ...
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