Coffee may refer to either the beverage (which has a dark, acidic flavor and is prepared from the roasted seeds of the coffee plant), the bean of the coffee plant, or the flavor when used in other dishes. Use this tag for questions about selecting, identifying, storing, preparing, replacing or ...

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40
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13answers
217k views

What's the Ideal Coffee to Water Ratio for a French Press?

What's the ideal amount of coffee to use per cup of water in a French press? I've looked at various online resources, which all gave me a different amount. Some call for 2 tablespoons per 6 oz of ...
32
votes
18answers
46k views

Caffeine content of cold-brewed coffee: higher or lower than hot-brewed?

I recently rediscovered the joys of cold-brewing coffee. (One level cup of rough-ground beans, 4-1/2 cups of cold water, steeped overnight and strained, produces a rich coffee concentrate. A shot or ...
27
votes
13answers
2k views

Good ways to store coffee?

What are some key points to store coffee to preserve freshness? Different methods for whole beans vs ground?
24
votes
15answers
10k views

How do you reduce static in a coffee grinder?

Is there a way to reduce/eliminate the static buildup in a burr grinder? I've tried a few different coffee grinders and inevitably on removing the grinds bin, I get a spray of coffee all over the ...
23
votes
9answers
13k views

How can I grind coffee without a coffee grinder?

I usually buy prepackaged ground coffee for my drip coffee maker, but recently I accidentally bought a bag of whole bean coffee and threw away the receipt. Can I salvage this bag of coffee without ...
21
votes
3answers
1k views

Does water that's been left to sit and then reboiled taste different from fresh water boiled once?

This may sound like a silly question, but I've always wondered: If I boil some water and use some of it and leave the remainder in the kettle, and then a few days later boil that same water again, ...
20
votes
11answers
2k views

How might I roast coffee at home without investing in an expensive roasting machine?

Tired of the bland supermarket beans and too poor to sate my thirst at the local roaster, so I've ordered 20lbs of green coffee beans online... But, now what do I need to do to turn them into The ...
20
votes
6answers
4k views

Achieving perfection via manual drip-brew coffee method

Every time I make coffee it seems to taste different, and I've found there is a lot more room for error with the manual drip-brew method than using a Moka coffee maker or an automatic drip-brewer. ...
19
votes
10answers
17k views

What can you surmise about coffee beans that have oil on them at the time of purchase?

I find myself favoring the purchase of coffee beans that have visible oil on them. My inference was that this bean had some extra flavor or awesomeness. Am I right, are beans 'better' if they are ...
18
votes
8answers
82k views

How long is it safe to drink coffee after brewed?

How many hours/days would you recommend to drink coffee (after brewed) and consider it safe? (For example if you don't want to waste it). What is the difference if it is refrigerated or not? The ...
17
votes
6answers
9k views

What factors lead to rich crema on espresso?

I love espresso, especially when it has a rich crema (the head that forms on top of a well made shot). I notice that some cafes produce this consistently while others never have more than a wisp on ...
16
votes
16answers
93k views

Ideal coffee grind for a French Press?

I recently picked up this Bodum "French Press" style coffee maker and so far, I'm really enjoying it for its simplicity. But I'm curious how I should be grinding my coffee. When I bought it, I ...
14
votes
1answer
701 views

Why is it called coffee cake?

There is no coffee in any of the recipes I've seen for coffee cake, so why is it called that?
14
votes
1answer
2k views

Does putting salt in coffee really remove bitterness?

I have seen people claim that putting salt in coffee enhances the flavour or removes bitterness. Example. Does this really work? If it does, how does it work? Is there something chemical going on, or ...
13
votes
7answers
21k views

Are fungal toxins a significant problem in coffee, and if so, can they be avoided?

I stumbled across this blogpost which claims that coffee is awesome for our bodies but only if it doesn't have mycotoxins (toxins generated by fungi). To quote them: One study showed that 91.7% ...
13
votes
3answers
2k views

Should whole coffee beans be stored at room temperature, the fridge or freezer?

My coffee is normally used up within 1 week and is of unknown age on purchase, do I need to do anything extra to make it last a week?
13
votes
12answers
1k views

Reusing coffee grounds

Besides using it as a fertilizer, how else can I reuse my coffee grounds?
13
votes
2answers
1k views

How can I reheat coffee without imparting bad flavor?

I have a carafe of coffee brewed today that is still mostly full, and I would like to serve it tomorrow. How can I reheat it without negatively impacting the flavor?
13
votes
3answers
981 views

Why does cinnamon in the grounds make older coffee taste better?

If I go to make coffee and find that the coffee is a little old, I'll sprinkle a little ground cinnamon in the grounds in the basket before brewing. I won't use enough cinnamon that you can actually ...
12
votes
8answers
11k views

How can I maximize the caffeine content of my coffee?

Like many people, I rely on coffee in the morning to really get me going for the day. I always use more than the directions require to get more caffeine for that extra morning jolt. How much ground ...
12
votes
4answers
7k views

Is there a way to infuse roasted coffee beans with different flavors?

I would like to be able to grind my own flavored coffee beans - hazelnut, French vanilla ect.. However, I don't want to buy the coffee beans that are already flavored but would rather try to recreate ...
12
votes
4answers
2k views

Frothing Milk By Hand

What is a consistent method to froth milk if I do not have a steam wand? I have tried things like a whisk and an Aerolatte with mixed success.
12
votes
1answer
928 views

What is the best way to store ground coffee?

I know it's better to use freshly ground beans and not store it ground at all, but if I have no other choice, how can I best preserve ground coffee? This question sort of asks the same thing, but the ...
11
votes
12answers
22k views

The best way to clean a French Press coffee maker

I have been using a French Press coffee maker for quite some time now, and I have tried a few methods for removing the spent coffee grinds from the vessel. It is always a bit of a chore to this in an ...
11
votes
4answers
7k views

What is the difference between coffee grinds/beans labeled as “espresso coffee” and ordinary coffee?

I was reminded of this curiosity just moments ago when I got a craving for coffee and couldn't find any normal coffee beans/grounds (owing to the fact that I don't normally drink coffee at home ...
11
votes
7answers
635 views

What's the best method for making iced coffee?

How should we make iced coffee at home? We only have a French press.
11
votes
2answers
56k views

Is a “cup” on a coffee maker always 6 oz? Is this a standard in the US?

Our coffee maker instructions often refer to a "cup" of coffee. These cups are whats marked on the side of the coffee maker showing how much water is in the reservoir. The instructions never define ...
11
votes
4answers
15k views

Difference in caffeine levels between light and bold coffee?

Over the last few years I had come to believe that the roasting process for bold coffees removed caffeine from the beans resulting in a lower caffeine content than compared to a light roasted coffee. ...
11
votes
1answer
18k views

What difference does the bar pressure makes in espresso coffee machines?

I read somewhere that 15 bar is enough and any pressure higher than that doesn't make any difference. The standard pressure is 15 bar for home machines and 9 bar for professional machines! If so, why ...
11
votes
2answers
1k views

Coffee foam vs. Tea foam

One sign of really good fresh well-roasted coffee beans is foam. When you pour hot water into the French press, it foams, often forming a head up to 2" high. And when you use an espresso machine, ...
10
votes
3answers
12k views

Why does coffee taste awful after reheating it in a microwave oven?

I brew my coffee with a percolator using finely ground beans and it comes out great when it is still hot. However, I have to brew at least two cups in the machine. So if I make coffee in the morning, ...
10
votes
2answers
494 views

Keeping a sugar solution in the fridge

Based on a the coffee questions I've seen, it seems that hot beverage questions are in scope, so here goes mine: We like keeping iced coffee in the fridge, particularly in the summer. It's easiest ...
10
votes
1answer
5k views

How do they get caffeine out in decaffeinated coffee?

Coffee beans naturally contain caffeine. At the store or in a restaurant, you can choose "decaffeinated coffee". Is really all the caffeine gone or is there just a smaller amount? How do they remove ...
10
votes
3answers
750 views

Cold-brewing coffee

Background: Summer is upon us. After resuming my cold-brewing regimen, I'm finding that cold-brewing coffee isn't working as well as I seem to remember it did last summer. For those unfamiliar with ...
10
votes
1answer
374 views

Is there a standard measure for coffee grind size?

There is a lot of measurement involved in brewing coffee: the weight of the grinds, temperature of the water, etc. But as far as I can tell, there is no standardization on the size of the grinds. ...
9
votes
10answers
7k views

Substitute to milk in coffee?

I'm looking for a substitute to milk in the coffee... something that will have the same effect on the coffee (tone down the bitterness of a coffee cup) put that wont turn bad after two weeks. Here's ...
9
votes
13answers
4k views

How can I chill ice coffee quickly?

I brew coffee using a french press. After I've pressed it, how can I make it chill fast? I've tried pouring it into a wider container (larger surface area) and putting it in the freezer. This is not ...
9
votes
2answers
990 views

Is there a method to pour espresso shots without damaging the crema?

My espresso machine (DeLonghi EC155) is really short and will only allow shot glasses / really short cappuccino cups (if I remove the excess coffee catch) which I don't have. So, I need to pull my ...
9
votes
5answers
3k views

Freshly ground coffee, how fresh should it be?

I 'know' that freshly ground coffee is the best there is (within the quality of the beans, that is). The question is whether this is true. Freshly ground coffee smells great, but does that affect the ...
9
votes
3answers
5k views

Fresh milk curdles when added to hot coffee and tea

Came in to work this morning and made a round of coffees, the same as yesterday. To freshly washed and fully rinsed mugs, I added instant coffee, and the milk then filled with boiling water and the ...
8
votes
7answers
3k views

Where in the US can I purchase Turkish Coffee/Cafe Botz/Mud Coffee

When I visited Israel I became a big fan of something they called "cafe botz" or mud coffee. It tasted real good, and you sort of poured warm water over it, stirred and waited for all the coffee ...
8
votes
3answers
4k views

Why do baking recipes call for instant coffee instead of fresh ground coffee?

I have seen many recipes for cakes, cupcakes, coffee buttercream, etc. that call for instant coffee than the freshly ground/brewed coffee because the instant coffee produces much better flavour. Why ...
8
votes
5answers
3k views

How important is fresh ground coffee vs a good coffee grinder?

Given a choice between using a good coffee grinder a few days in advance, or one of those whirly-chopper grinders immediately before brewing, which would you choose?
8
votes
4answers
401 views

Why should one always use the same kind of coffee for an Espresso machine?

I recently got a new espresso machine, a Gaggia Classic, and I sometimes hear statements like the following: "Always use the same kind of coffee for this machine!" "If you've found one that tastes ...
8
votes
2answers
3k views

How to identify a good espresso?

During the last week I ordered many different espresso shots at coffee shops around the place where I work - some cheap, some expensive, some chains, some independent stores. As I heard that it is ...
8
votes
3answers
975 views

French-press coffee has a powdery taste

I recently ordered a French press (Bodum Kenya) and a ceramic conical burr grinder. I've tried this with two different decaf blends from Vermont Coffee Company, one which I ground at the store four ...
8
votes
4answers
21k views

What are the pros and cons of coarse and fine coffee ground?

Coffee can be bought either as whole beans or as coarsely or finely grounded coffee. What are the pros and cons of the coarse and fine coffee ground? Are there different applications for coarsely and ...
8
votes
3answers
10k views

Can you make chocolate from coffee beans or coffee from cacao beans?

Coffee and cacao beans have some properties in common. I'm wondering can you make something akin to chocolate from a coffee bean or something like coffee from a cacao bean? "Brewed Chocolate" seems ...
8
votes
2answers
4k views

What kinds of coffee beans are more successful at producing crema on espresso?

This question mentions one factor in crema production to be the choice of beans. I have tried many types (brands), all approximately equal in darkness of roast, and had some wildly different results. ...
8
votes
3answers
6k views

Is Turkish coffee grinding finer than Espresso grinding?

I am shopping for an electric grinder that can grind to the extremely fine grind of Turkish coffee. But the only commercially available electric grinders I have found so far refer to Espresso coffee ...