Maybe ChatGPT didnât work as a Barista at Starbucks during its studies?
Instant Coffee = 200g makes 100 cups (acc. to my Nescafe jar) = 2g or 1 teaspoon = approx. personal experience)
How much goes into a Moka pot per cup, or drip brew or french press per cup.
A couple of teaspoons of ground coffee powder, no? At a similar density.
So, non-AI estimate 3x 2g = 6g
I claim 6g of coffee beans is roughly equivalent to 2g of instant coffee, and coffee beans would have to be 3x cheaper per kg to compete, which happens to be what you calculated (approx < CHF 25 /kg), so maybe ChatGPT is exonerated (this time), and you just muddled up the factors in your bullet point?
@trotro How do you prepare your coffee? Filter / espresso / whatever?
If you grind your beans yourself, itâs probably better to get the beans directly from the roastery so they will be fresh. Other resellers might have old stale stock.
If near Zurich this roastery sports not only great freshly roasted beans but also has a cool name: CaffĂš Ferrari.
I usually bicycle there and pick up the smell of freshly roasted coffee beans about a kilometer before getting there.
They roast the beans on coal fire which requires longer and slower roasting than how most commercial producers roast their beans (and they claim the resulting coffee is thus less bitter).
They ship, too, but visiting their local âTante Emma LĂ€deliâ shop is an experience in itself. You can also pick up their roasted beans in Globus (with a hefty Globus fee, of course).
Blacksmith Caffe, then? I must say, ever since I realised that Ferrari means âblacksmithâ and is the equivalent of Smith, Schmidt, Kowac, Kowacz, Kowalski, Kovacevic, Herrero, ÎŁÎčΎΔÏÎ±Ï etc I decided I will turn my nose on any car named as such!
I grind them myself and then use a filter or aeropress. And yeah, I typically donât buy fancy coffee if they donât have a roast date on the packaging because of this.
Roasting the coffee yourself is also an option if youâre info specialty coffee. Technology is getting pretty good for some home/sample roasters. Mine allows me to roast 100-200g pr batch with profiles from for instance Tim Wendelboe. You can adjust the development time as a function of your taste.
Initial investment is quite high (3500 for a second hand machine), but compared to picking up 250g bags in fancy coffee shops I hope to break even after some years. Cheaper alternatives exist, but it might be harder to get good consistent results.
Greens can be stored for 6-15 months and you always have a wide range of fresh high quality coffee roasted the way to like.
Iâve personally conducted a scientific long term self-study on this:
I used to drink about 8 servings of coffee per day maybe 20-30 years ago, two servings in the morning, another 4-5 during the day and a last one after dinner.
I went to drinking just about 4-5 servings a day maybe 10-15 years ago, one or two servings in the morning, another one or two during the day, and one in the later afternoon.
Trimmed the above regime to 3-4 servings a day, one or two in the morning, one at noon, one â at the latest â around 3 p.m. in the afternoon.
Now, since basically FIREd, Iâm down to one coffee in the morning, sometimes two, but I usually wonât finish the second serving if I have one.
I can confidently state that this evolution in coffeine consumption has affected my life expectancy as follows:
drinking lots of coffee early in my life has obviously and evidently extended my life expectancy to middle age (and beyond).
drinking more moderate amounts of coffee has further extendend my middle age to ⊠well, whatâs a non pejoritative term for someone in their mid fifties?
drinking just 1 or 2 coffees per day I can confidentally state that I feel just fine which therefore is clearly the right amount for mid-fifty guys.
Not sure what to do going forward ⊠if I feel worse, should I return to drinking 8 servings per day, boosting my life expectancy in one fell swoop by another two to three decades, or should I continue on the regime of one to two servings, slowly on the margin extending life by a couple of years every year in this low coffeine regime?
Any advice is appreciated.
Youâre asking the wrong question: if you live for another 100 years, how much is that 3500 investment?
As mentioned being into specialty coffee is an important assumption here.
The calculation that allowed me to justify my snobby acquisition:
I usually drink 3-4 cups per day. Then we have friends over so I guess we can at least say 4 cups. Each cup is 18g of coffee. Giving a total of 26 kg / year. Where I used to buy coffee they charge 16 - 21 chf per 250 g which would bring me to 1600 chf / year.
The green coffee I currently buy is around 20-25 chf / kg, but around 10% evaporates in the roast process.
Some open questions: am I able to source as high quality coffee as the local coffee shops. Am I able to roast them as well as a professional roaster?
Iâm well aware that spending 1600 / year on coffee will not make me win a frugality competition.
@roasted (apt name!): Out of curiosity, what is the (type of roasted) coffee you pay (paid) 64-104 CHF/kg (16 - 21 CHF per 250g)?
I couldnât resist googling a bit, but had to turn to Schwarzenbach to find coffee in your price league.
I wonder if you could piggyback on some small fry professional importer/roaster. The Ferrari guys I mentioned above would probably prefer to sell you their roasted product, but theyâre a family business, and Iâd bet that with some friendly chats and coffee roasting banter talk they might let you buy one of their green bean filled jute sacks.
They sell the empty jute sacks in front of their LĂ€deli as we speak, as garden plant owners love these to protect their potted plants from ground frost which is about to arrive in the coming days and weeks.
Bags of 250 g reach easily 19-22chf / bag in Switzerland.
@roaster How long will it last to roast a batch ? Roasting your own grain is really next level. I will never tell my wife about this idea ! Did you add any aroma ?
I think energy should also be included in your calculatio. What is the average KWh consumption to roast 200g by batch ? I think we pay 27ct by KWh in my canton.
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