How to Roast Green Coffee Beans | DIY in Your Oven at Home
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- Опубліковано 11 гру 2020
- Want to try roasting your own coffee at home? This video is for YOU! I've been roasting for nearly a decade and this method gives me the most consistent results with the least mess, babysitting and burning. Over the years I've tried lots of different ways... Expensive countertop roaster; broke down after 8 months, no warranty. Vintage childhood 80's popcorn popper; worked for years but blew chaff all over the kitchen, eventually broke down. Skillet on the stovetop; 60% of the time some beans burned, had to babysit skillet the entire time. Getting fresh roasted beans delivered weekly so I don't have to do it myself; costs double the price, I found the coffee stale be the end of the week often throwing some out when the new delivery came. SO, I do it myself on a pizza pan, in my oven, every 4-6 days. I smoke out my kitchen (no joke!) It takes 15-20 minutes start to finish and for ME that's worth it.
Most of the coffee you drink is likely stale and oxidized... there I said it. After roasting the beans begin to break down immediately. Five or six days after roasting whole beans are oxidized. Three to four hours after grinding fresh beans, those grinds are oxidized. Brewed coffee only takes 20-30 minutes for the shift to happen. That horrible aftertaste from drinking coffee? That's cause it's oxidized! Fresh roasted coffee doesn't leave your mouth tasting like garbage. It's also packed with nutrients that degrade as the coffee oxidizes. You can absolutely source a local roaster to deliver fresh roasted coffee weekly to your door. I could never keep up with the subscription services and found myself wasting. If YOU are a coffee snob, and don't mind a little smoke, then give it a try! Comment below and let me know how it turns out.
How to Roast Coffee Beans in Your Oven at Home
What you'll need...
green coffee beans, organic, fair-trade, bird-friendly
pizza pan with small holes or any baking tray
large bowl
colander or large mesh strainer
oven mitts or heat proof gloves
What to do...
1. Preheat oven to 460F (240 C)
2. Spread desired quantity of beans into a single layer in a donut shape; leaving the centre of the tray open ensures the beans all roast evenly.
3. Roast in the centre of the oven for 10-12 minutes. Listening for "second crack" to cue when they are almost done.
4. When beans are nearing desired doneness, remove them from the oven immediately. For light roast, beans around the perimeter darken and just start to become shiny. Medium roast, most of the beans around the perimeter are darkened and shiny. Dark roast, almost all the beans are dark brown and shiny. Burnt, the beans are black!
5. TURN ON ANY AND ALL VENTILATION FULL BLAST. OPEN DOORS & WINDOWS. IF THERE'S HELP, GET THEM FANNING THE SMOKE DETECTOR BEFORE THE OVEN OPENS!!
6. Transfer to colander placed over the large bowl. Gently massage the beans (with an oven mitt/glove) to break up the skin (chaff) on the beans.
7. Patiently sift off the chaff. Store beans in a container that will allow them to "de-gas" for 4-6 hours. After roasting the beans give off small amounts of CO2 which can pressurize a container. Let them de-gas then store in an air-tight container at room temperature in a cool dark place for 4-6 days.
Grind just before brewing. Drink just after brewing. Enjoy!!!
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Nice video, clearly describing the difference between 1st and 2nd crack. Beans roasted right after 2nd crack tends to be more caramel but less fruity in taste. Anyway, it is an individual preference.
Thanks for the info!
I start my beans at 350° for 10 minutes to do a drying phase before I crank it up to 465° to finish off the roast. About 7 or 8 minutes. Really brings out the sweetness.
Best coffee roasting video I've seen. The tip about the shinyness was great. Now I get it! This is my 4th attempt at home roasting and they came out perfect. I'm so excited to try it.
Many thanks from a coffee lover.
That's exactly what I'm looking for, I'll give it a try as soon as my coffee bean arrive.
This is exactly how I roast my coffee beans. I could spend a lot of money buying a roaster, but honestly, I really enjoy doing it in the oven. And the smell is fantastic!
I had an expensive roaster that broke down in like 6 months. Been doing it this was for over a decade since. ;)
Is the time of roasting and the temperature the same or different?
@@DailyDipo It depends on the beans first and foremost. However, the roasting time in the oven compared to a roaster, is longer. In a roaster I can churn out a rost in something as short as 17 minutes, where the oven would be closer to somewhere between 20-25. Tempwise it's similar, but yet still different depending on your oven and how quick or slow it ramps the heat.
@@Kittybit that is very helpful! Thanks!
@@DailyDipo My pleasure, bud!
First batch. Excellent. With warm bagel from the oven, my homemade lox, and cream cheese. Damn!!
Yum!!
Wow. Coffee snob here. Came looking for a way to roast my own beans. All my answers in this excellent concise video. Happy New year 2023.
Outstanding video thank you for sharing can't wait to start my new project
Omg this is awesome thank you for sharing! Can't wait to try this!!
I did 3 trays. First 15 min dark roast , second 13min med roast , 7 min light roast. They all came out great. Funny though my nose smelled roasted peanuts. Thank you 🤗
What temperature
@@jdjdjnsnsns3536 bake 460 just like the guy said .
Yeah, it took me a while to get used to the smell. Definitely not what I thought fresh roasted coffee would smell like. 😂
Great lesson. Love the dramatic oven scene ^^
😂
Great video, very informative!
I can just imagine the smell in that kitchen. 🙆🏾♂️🙆🏾♂️😋👌🏾
This is awesome Mike! Thank you so much for creating this. I am excited to try this and will keep you posted on how it goes.
Best of luck!
so how’d it go!?
Awesome! Well done I love all the details :)
🥰💖
I enjoyed watching this video. It is very informative and helpful.
I’m so glad. ☺️
Brilliant ! Thanks for the idea and the tips 👍
I normally roast outside on a camp stove, but your oven method looks just as effective and perfect for a rainy day here in the UK.
All the best ...
toaster oven in my back patio is my solution
Amazing! If I could be outside I would. Hahaha
Thanks for the info man!!
Pleasure. Hope it helps. 👍🏽
Looks good
Let me know if you try it out!! ☕️
GoodStuff™ Loved the video.
Wow this looks great it looks like the best method I've seen so far. I'm thinking that I'll get a ventilation fan with flexible ductwork and direct the smoke right out the window.
That’s a great idea!
Just tried it, it was amazing to roast that much coffee at once. I don't think I spread them out as evenly as I should have though so it was a bit uneven but still good enough
Your coffee looks great and I can offer you a compostable coffee packaging solution
Hey! Do you need a biodegradable coffee bag?
Great video and instruction! Where do you like to buy your beans? I am in central illinois, online is our only option. Thanks
You could also do this in a convection oven or air fryer and put the unit in the room in your home that already has a built in fan. You know the room I mean.
I would be concerned that the fan would blow the chaff all over the place and potentially clog up the filter on your air fryer. The chaff is light as air and blows all over the place with a slight beeze. Lol Doing it in a convection oven with the fan on makes a huge smoky mess… 😬
Never thoufht about th shine. Roasting 250g. In cast iron gives a more of a Combination roast i prefer.
very cool. how long after you've oven roasted them to optimally start grinding to brew? 1 week?
They’re at their best for about a week. Grind them just before brewing. Once ground, the beans start to oxidize within a few hours.
Great video, have you tried adding pine nuts or other nuts in the roasting process?
I wouldn’t recommend this, most other nuts would burn at such a high temperature. ☺️
@@MoveNourishHeal Thanks so much! The things I wouldn't have considered...tytyty
@@MaN-pw1bn No problem! You could totally grind up some roasted nuts with your coffee and brew them together to add a nutty flavour. That would be delish!
@@MoveNourishHeal Going to definitely try that or thinking of making extract. Pecan and Pinon - my two favorite coffees!!! Thanks again, you're awesome!
Great video. I have a couple of questions. I have a gas stove. I notice you have an electric stove. Do you think that will make a difference? It also has a convection setting. Should I use that? Do you blend your coffee bean varieties? Thanks in advance!
Gas shouldn’t make a difference if set to the same temperature. Do NOT use convection or that chaff will blow all around your oven and make a huge mess. I do sometimes blend varieties of beans but they should be roasted separately as they can be different sizes with slightly different roast times. Hope this helps!
@@MoveNourishHeal thank you. That makes sense about the chaff. Now I’m trying to decide whether I want to do it in a oven on a pan like you or, a toaster, oven, or an actual coffee roaster.
Why remove the Chaff? Want to try this!! Thanx❣️
The chaff is what starts to smoke and will add a bitter burned taste to the coffee when you brew it. Definitely a must to remove it. Let me know how it turns out! 👍🏼
How about using your gas grill outside?
Never tried it but I’m sure it would work. No idea on the timing but the sound cues would be the same. 👍🏽
Do you know how I would flavor the beans? Would it be before or after the roast?
I’ve never tried to do this but I would say after for sure. Any delicate flavours would be ruined in the roasting process. You could try tossing the hot beans, after removing the chaff, with some extracts like vanilla or hazelnut. Let me know how it turns out if you try! 😉
That's exactly why I'm looking into roasting. They say to wait till your fresh roast cools then you can spray or mix in an extract or coffee syrup. Stir for 15 min & allow to dry.
Does all the smoke in the oven negatively effect the taste of the coffee?
Not at all! ☕️
Hmm, they look burned. Have you brewed espresso with them?
Usually do French press. They definitely aren’t burnt when I roast them. I usually aim for a medium light roast.
Hows the tatse though?
Once you get the technique, it’s amazing. There will probably be some under or over roasted batches on the way though. Lol. I’ve been doing it for like 12 years, I like this better than most roasters I’ve tried.
When you made that face, while waving the smoke detector!🤣😂🤣😂
😜🙏🏽
Does it have to be a pizza pan
It doesn’t! Just gives you a bit more even and quick roast.
I’m sorry but roasting coffee beans in an oven is not roasting. You’re baking it!😂
lol. Interesting view point. My oven literally has a roast setting… and I don’t think you call it baking a chicken or roast beef. It’s worked for me for the last decade. 🤷🏻♂️
how about that non-airtight container?
Not sure what you mean? 🤔
@@MoveNourishHeal
Well, do the roasted beans need to be kept in a non-airtight container?
And if so, what is the reasoning?
@@johnspink3879 Ah!! Sorry, got it. You need to give them time to de-gas. They’ll give off co2 for about 12-24 hours after roasting. So non airtight then airtight if you like. Basically they’ll just pop the lid off an airtight container if you seal them up too soon. 😉
@@MoveNourishHeal Ah. So wait 12-24 hours before brewing them, or are they good to go right away?
@@johnspink380 I often brew them soon after roasting just know that it will foam up quite a bit when you pour the water over it. Totally fine to brew it immediately it just definitely gives off gas when you do
I tried this but for the life of me couldn't hear the first and second crack, so my roast ended up a bit wonky.
It can definitely be challenging to hear it over the sound of the fan. Both are fairly subtle.
@@MoveNourishHeal There were moments where I thought I did hear it but I wasn't sure if it was just the natural warping of the oven as it heats up. So, I ended up with what looks like a mix of medium and medium dark beans since I pulled them out a few times. Oh well, now I know. Thanks for the super helpful upload!
@@zekayman it’s definitely something that takes some practice. The coffee will still likely be better than most of what you can buy at the store. ;)
@@MoveNourishHeal I sure hope so lol. On a different note, I was wondering if you have any experience using some kind of fat (butter, peanut oil, etc.) to roast coffee beans, and if so, what's you opinion on using such a method?
460 is a bit high and the center of the oven is the coolest part, the edges, the hottest. Here is how I do it:
Before I decided to go with the oven to roast my beans. I tried various other cheap methods. This one is the best and extremely simple and also the cheapest. I want to share my experience and save you some time.
I use a temperature of 410 fahrenheit for the first 10 minutes, and 5 minutes progressively to 430. A lower temperature to start, roasts the inside more. The higher temperature shortens the cracking period and shortens the cracking period and makes it more easily identifiable.
The beans are centered on the baking sheet without anything on it such as foil. I only do one cup at a time to limit the variation in baking from the beans where the oven is the hottest but I never take the beans out because it allows the temperature in the oven to even out, increasing the evenness of the roast. This last bean reached its second crack at 20 minutes. I double checked lol. My beans are more even in color than some commercial ones. Having done this for a while. I know another one which will take 17.5 minutes because the size of the bean is a lot smaller. But I will be watching starting at 15 minutes. I crawl in front of the oven, something I learned in Africa (how appropriate).
So now I have my benchmark and can start playing with variations.I can’t digest wine and this occupation is very rewarding and the hell of a lot cheaper too lol.
Thanks for the tips. Every oven is different and each roaster will have their own preference. I’ve been roasting for a decade now and prefer to do it high temp centered in the oven so the beans are evenly spaced between the top and bottom heating element. Commercial roasters do it much higher than 460F and I used to as well. I find this temp gets the job done in 10-12 minutes max, without having to watch the oven too closely, minimizing the amount of smoke as the beans are in the oven for less time. I don’t like to be stuck at the oven changing the temperature. There’s definitely a feel to it though, your method might be better for someone starting out as the longer time leaves less chance of burning them. I actually like the depth of flavour that comes from the beans being roasted to slightly varying degrees. 😉
@@MoveNourishHeal Thanks for the quick response. Your coffee beans look very nice. I find that starting slower, increases the flavor a bit. You are not the only one who likes different levels of roast in one batch, I was giving the other option ;)
@@singularislupus 💯 your method is definitely less likely to lead to burning. Thanks for sharing!
Not how to roast here, how to burn and kill coffee beans....
🤣 They do make a lot of smoke, that’s for sure. Lol. I assure you they aren’t burned, just the thin skin that comes off of them. I’ve been roasting for over a decade… used to own a countertop roaster that removed all the chaff so it didn’t burn. It cost $300 and broke in 10 months. Started this method then and it works so why not. They taste alot better than they smell when they come out of the oven. People always tell me it’s the best coffee they’ve had, but most people drink shitty oxidized coffee. 😜
@@MoveNourishHeal i know people drink (not love) oxidised and burned coffee but this one in the video is clearly burned. You should check christophe servell an expert french roaster, you will see the coffee should NOT do the second crack to be tasty and full of flavour. The only beans i know you need to go very brown (not dark) is the "bourbon pointu" i do not know any other coffee bean that can be good dark as this video.
My mom was so angry I used the oven and she said you will ruin it and it will become so dirty it won't be removed easily I am seriously annoyed 😒