No fuss, minimal weight, specialty coffee in the hills

oreocereus

Thru Hiker
The below is long, it's about making high quality coffee with minimal weight or hassle. You can also use the same principal without all the below in making something similar to a french press the way you like at home.

I picked up something like this re-usable tea bag at a local waste free shop, and have used it with a french press (immersion brewing) like technique quite effectively.
ecoliving-reusable-organic-cotton-tea-bag.jpg

It's about a sediment-y as a french press, and easy enough to clean in a flowing river. The benefit is that it weighs nothing (mine is wet currently, will update with weight when dry), creates minimal waste (nothing to pack out, unless you're somewhere you can't scatter coffee slurry responsibly) and offers a very simple way to make about-as-good-as-possible cup of coffee in the hills without carrying in a handheld grinder, seperate brewing vessel, a pour over cone, filter papers and some special coffee brewing water (yes, special coffee brewing water is a thing - filters for balancing mineral content in water going into espresso machines are crazy expensive).


There's always loads of discussion on backpacking forums about brewing a cup of coffee. Some opt for "cowboy coffee" others buy lightweight fancy brewing devices (titanium french presses and the like). Others buy expensive 3-in-1 sachets, or "coffee bags."

This method resembles the latter, but has the option of using much better coffee while costing less.

NB I've spent a number of years as a barista in the highly pretentious "specialty coffee scene" working alongside some of the best roasteries in the UK and NZ and a few national champions (sadly barista championships are a serious thing - they're hilariously serious).

As such this thread is coming from someone of that angle - if you like your coffee with cream or extra flavouring syrups and sugar, then this won't get you what you want. When most people are asked to describe the flavour of their coffee they'll say "strong" or "weak" - this technique, and all of specialty coffee is aimed at finding the space in between there where you might find some more interesting flavours


coffee_flavour_wheel_wall_art_large-r809d30113b8d4ab5acff04a677af8eb1_2jy35_8byvr_540.jpg


I understand that doesn't appeal to everyone, if not just skip all the extra stuff below and buy yourself a re-usable fabric tea bag.

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If you don't mind a bit of extra weight, learning how to make a proper pour over coffee with a plastic v60 is a good option. I believe my 2 cup plastic v60 weighs about 80g. But a proper v60 takes a lot of care - it's something I only do on social trips (e.g. a few days bumbling along the SWCP recently), and it's nice to take the extra care.
If you are interested, the Perger technique is one of the easiest, simplest and most consistent.

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But I've found an easier, far lighter option. The good news is, you can use this without any of the fancy timings and weights below - if you just like to heap three tablespoons in and steep it till it looks dark enough, it'll work for that too.

Reusable Tea Bags

With these you can use a technique similar to one that most are familiar with at home - something resembling a french press.

A French press is an immersion coffee brewing method - it tends to be fuller bodied and less delicate than a pour over filter coffee.

Here's the method I use, with some explanation below.

1) Put 15g of medium-coarse ground coffee into the reusable teabag. I portion my coffee into ziplock pouches before i go. Place in cup (in hills I don't bother with a cup when solo).
2) Boil 250g water, preheat my cup (in the hills, my pot is my cup). Let the water sit for 30 seconds (100c is too hot for coffee 93c is the average "ideal" temp for most coffees - some prefer hotter some prefer cooler) before pouring roughly 50ml of water over the tea bag, shake the bag around a bit (the goal here is to get all the coffee inside the bag wet as fast as possible).
3) 20seconds after steeping, slowly pour the rest of the water over (in the hills, all the water is added at once).
4) Brew for a total time of 4-5 minutes (including 20 seconds of steeping). How long you brew for exactly will depend on your palette and the coffee chosen. I do a gentle stir half way through the brew to create a small gentle whirlpool.
5) Stir coffee once removing bag (heavier oils fall to the bottom) and enjoy.


This method gets about as much sediment as a french press. It doesn't do as well, as the narrow nature of bag means you don't easily get an even extraction across all the coffee.

You definitely don't have to follow the instructions above, but if you care about coffee paying attention to water:coffee ratios, grind size and brewing time are the most important thing in getting a delicious cup. As an aside, if you walk into a coffee shop and the barista isn't weighing every shot on a scale accurate to 0.1g then there's no chance they are sending out consistently good coffee and likely aren't using a good quality coffee - even if they are charging £3 for an Americano - this is the easiest way to spot a good cafe (ignore any advertising and decor first - they're tricks).

Again, you don't need to follow the above, but if you're interested in doing so, I recommend going to a cafe that sells a coffee you like and asking them to grind their coffee for you. In a high quality coffee environment, you don't use anything that has been ground more than a couple of minutes ago (it oxidises and the flavour is sapped from it) - but grinding it a few days before your trip is much better than months and months ago as is the case in the supermarket. And the roast shouldn't be more than a few weeks old, which is important.

If you trust the barista, ask their advice on preparing it for a french press - they may recommend different steep times and grind sizes based on the profile of their coffee.

Finally, the above is only a guide - every coffee is different and prefers different ratios temps, grind sizes, steep times, etc. As a broad starting point, if the coffee tastes a bit acidic or even grassy, it is underextracted - it likely needs to brewed longer or ground a bit finer. If it is ashy and astringent it is over extracted, and likely needs to be a bit coarser and/or brewed for less time.
 

dovidola

Thru Hiker
I quite like the sound of this - is it in effect just like the foil-wrapped coffee bags I've used for years, except that I just take one of these reusable bags and fill with my own coffee?
Presumably I'd have to grind (to my normal home French press coarseness) the amount of coffee I'm going to use (one 450ml mug per day at breakfast) just before departure, and keep it in a watertight container/ziplock within my pack. After each use, rinse the bag, wring it out, and store in another ziplock.
Have I got that right @oreocereus ?
 

oreocereus

Thru Hiker
These sorts of things?
41KKdR0sDoL._SX385_.jpg


If yes, indeed the principal is similar. The shape of the pictured bags is a bit more optimal for brewing, but the coffee quality will be poor (poor graded coffee, roasted poorly, many months ago and ground many months ago before being “sealed for freshness” in the foil pack) offers no room for fine tuning.



But yes, that’s right. Generally I’d recommend a brewing ratio of between 13:1 and 17:1. The right ratio for you will depend on the coffee, grind size, brew time and your own preferences. I start at a 15:1 ratio for a new coffee to me and go from there. So I’d try 30g of coffee for a 450mL cup.

Of course, you can just eyeball it and you don’t have to get quality coffee from a local roastery if you don’t care that much/can’t tell the difference/like something at the supermarket/etc. But the above suggestions are reasonably simple ways to have a better coffee experience.

Always try grind as late as possible - eg on your way out of town you can drop by the shop:)
 

dovidola

Thru Hiker
Most helpful thanks - and you answered my 'subsequent' question (about quantities) too.

Although the Lyons No 3s aren't bad, I've always wondered how fresh the coffee can be, notwithstanding how it's in a sealed packet. They're only 10g each mind, although I have to squeeze every drop of flavour I can from them, which isn't the best way to make coffee. It's better if I use two.
 

oreocereus

Thru Hiker
Most helpful thanks - and you answered my 'subsequent' question (about quantities) too.

Although the Lyons No 3s aren't bad, I've always wondered how fresh the coffee can be, notwithstanding how it's in a sealed packet. They're only 10g each mind, although I have to squeeze every drop of flavour I can from them, which isn't the best way to make coffee. It's better if I use two.
Yeah I don’t know if there any extra “flavours” in there but 10g is going to be overextracted (kind of astringent flavour) and weak (whichll mask the astringent flavour) for more than 170ml of water in most scenarios.

We don’t necessarily want to get “all” the flavours from coffee - the last oils extracted in an overextracted cup of coffee are unpleasant. A “lungo” in Italy or “allongé” in France are made by continuing extracting espresso coffee with more water and or longer than a standard espresso shot. If you compare a lungo to a correctly extracted espresso shot, the latter will taste “better” - of course some people simply prefer those more bitter flavours and heavy mouth feel. This sometimes isn’t all that observable in France or Italy (particularly the former which has a very poor coffee tradition) because traditionally the roasts there are very dark (often burnt). This is why ristretto (extracting the same amount of dry coffee as an espresso but with less water over less time) is popular - the sweeter and lighter flavours come through first in extraction to counteract the “burnt” character to the roast. A well balanced espresso with well roasted coffee will be more full bodied and better balanced.

That was a long aside, but the point was that extraction ratios are absolutely key if you’re wondering why a coffee doesn’t taste “good.”
 

oreocereus

Thru Hiker
As for freshness I doubt there can be any sincere claim to it being fresher than any other coffee. The foil likely helps a bit, but it’ll be poorly graded coffee roasted with all sorts en masse and sold to a number of brands. It may even be foiled immediately after grinding, but correctly ground coffee takes a lot of time to get right (for reference it takes up to 30minutes and a lot of wasted coffee for a good barista to set their grinder each morning, and it changes constantly through the day with variables such as heat, humidity, when it was last used, etc). There’s only so much they can do with that.

For reference most good coffee shops are aiming to use coffee that is between 5-14 days older than its roast date (it takes about 5 days to let it “settle”) and of course are grinding it fresh. If they use a chamber grinder no ground coffee will sit in the grinder for more than 10-15mins before being wasted. It’s a high waste industry.
 

dovidola

Thru Hiker
All very interesting (really!), and the downsides of over-extraction agreed. As you've been at pains to point out, it's an individual matter how far/extreme one wishes to go in the pursuit of perfect and consistent coffee. For my part, I'm still at the stage where better technique is making more difference than any other factor. I can now get far better results using Tesco's House Blend beans (£2.29 per 227g pack) than I previously got with far more expensive coffees. A big step up, though, was investing in a decent grinder (Baratza Virtuoso, since you ask). I thought £200 was obscene for a grinder until I saw how much you could spend!
I only do French Press, so it's relatively straightforward and requires less machinery, but I would be interested in seeing if using beans of the sort you describe (roasted within the week) makes a difference. Where does one buy it (obviously not at the supermarket) and how sure can you be of its provenance?
 

oreocereus

Thru Hiker
The best way is to go to a local, potentially snobby café (again pay attention to whether they’re weighing each coffee “dose”-the dry coffee in the portafilte) and chat to the baristas. If you like their coffee you can ask about it - whether it’s a blend or a single origin, what gives it xyz flavour you like. They should be able to sell it to you in your own container (this’ll ensure fresher beans, as the retail bags the roasters will sell to them might be older - at least this sometimes happens in places I’ve worked) and that you’re only getting what you need.


Most baristas that I’ve met will also be open to talking about other roasteries they like. There should be some good roasteries in your city or at least wider county they might be buying from.


Talking optional, but most of the time a barista is talking to people who respond to the question “how are you?” With “latte three sugars” so as long as it’s not busy most baristas find talking to a genuinely curious customer a welcome break. Of course you can never know if someone will really know what they’re talking about.


And yes you’re right, being particular in your process is the first step in getting better coffee - and you can definitely get a better cup out of an old bag of tesco beans that have scored 70 (out of 100) fresh than a £8 bag of single origin washed Ethiopian if you don’t do things consciously. Or you might even just not like washed Ethiopians! (Single origin coffee can be hard to work with as there is no complimenting blend to balance any potential errors in extraction or roasting).


If you PM where you’re from there’s a chance I might know someone working nearby who can sell you something good.
 

Rmr

Section Hiker
Today I have found reusable tea bags at Bird & Blend Tea Co in Nottingham, 10 bags for £1.50. Also bought their house blend of Ceylon, Assam & Kenyan black tea, smells amazing. Yet to taste, but this coming weekend I will be testing.
 

Charlie83

Thru Hiker
I'm a heathen with coffee, my only stipulation is strong, tried a couple of those coffee brewer bag things in knoydart at the weekend, they were fine enough for my tastes, even the 300 odd midgies floating in it tasted ok
 

dovidola

Thru Hiker
I'm a heathen with coffee, my only stipulation is strong, tried a couple of those coffee brewer bag things in knoydart at the weekend, they were fine enough for my tastes, even the 300 odd midgies floating in it tasted ok
They do for me too - definitely a step up from instant (unless instant's your thing of course).
I've just got a dozen of @oreocereus 's thingybags which I'm going to try out to see if they're even better. They're going to have to be, to be worth the extra faff!
 

oreocereus

Thru Hiker
The brew bags don't have enough coffee in them to make a coffee bigger than 150mL, so attempting to make it "stronger" in a larger cup will require more coffee bags or overextraction (by brewing for longer to extract more flavour). It'll taste "stronger" but it'll be more ashy and astringent - simply using more coffee will give you the strength you desire and a more balanced flavour.

Often the "strong" (or "no. 5") coffee bags are just using a darker or even burnt roast, so again flavours just tend towards generic heavy ashiness (if it's done well, more toward maltiness and chocolatiness, but I haven't really come across that in supermarket coffee - not tried any in a long time, mind).
That's an oversimplification - bean choices will also play a part.
 

JKM

Thru Hiker
I have been using one of these recently

It's a Vietnamese coffee 'phin' made from aluminium, a leftover from the addiction I acquired in Hoi An and Hanoi this summer.
images



vietnamese-phin-coffee-filter.jpg



Used like this

vietnamese-coffee-phin-filter-coffee.jpg



Basically a reusable coffee dripper like those plastic rombouts cup top ones that you use to get in cafes.

I doubt it weighs any more than a coffee bag anyway, and you can easily scatter/dispense with the grounds.
 

oreocereus

Thru Hiker
Neato. The holes look quite big - does it require quite a course grind? I’ve not much experience with vietnamese coffee preparation styles.
 
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JKM

Thru Hiker
Neato. The holes look quite big - does it require quite a course grind? I’ve not much experience with vietnamese coffee preparation styles.

Yes, it is definitely quite course. I also have a stainless steel on that screws down and has slightly smaller holes.
 
I have been using one of these recently

It's a Vietnamese coffee 'phin' made from aluminium, a leftover from the addiction I acquired in Hoi An and Hanoi this summer.
images



vietnamese-phin-coffee-filter.jpg



Used like this

vietnamese-coffee-phin-filter-coffee.jpg



Basically a reusable coffee dripper like those plastic rombouts cup top ones that you use to get in cafes.

I doubt it weighs any more than a coffee bag anyway, and you can easily scatter/dispense with the grounds.
I have, use and love this as well. I concur most heartily.
Most arvos I have one or two!
The Vietnamese (sourced) coffee has something going for it. A chocolatey flavour I love.
 
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