Roasting Coffee Beans in Popcorn Popper Roaster, how to
January 19th, 2010 by CoffeDealer
Roasting coffee beans at home using a popcorn popper. DIY Instructions of the entire coffee roasting process, from roaster setup to bean storage. How to roast coffee beans on the cheap from start to finish. Basically, you dump the green coffee beans in until they aren’t bouncing around much and stir until they are. Wait until desired roast is reached (we like to roast into the second crack a minute or so, otherwise they don’t seem done), then cool as rapidly as possible and age in an …
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this is so awesome. i’ve had fresh coffee, but not that fresh. simply awesome. where do you buy the coffee beans in the raw?
you got it right! this batch was burnt pretty bad, probably the worst roast I have ever made if you dont count the underoasted ones
I roast beautifully with my $16 Chefmate popcorn popper from Target! It only takes 5.5 minutes for a nice dark-brown roast after the second pop. The Chefmate hold 1/2 cup of beans…works great. I can’t understand people who go out and buy a $300-$600 machine to roast coffee. If they knew how well a popcorn popper works! I enjoyed your video!
markpianoman – thanks for the tip, I will have to check out the $16 modern popper as it just takes too long to roast a pound with one popper.
the first roast doesn’t turn out very well with the original poppery either. If you take that into consideration just roasting two loads is wasteful.
yeah, I definitely got the impression that the Chefmate popcorn popper from Target actually works better than the poppery. I’m pretty sure I only paid about $16 for it here in Hawaii…on the mainland it could be cheaper….but it works great. I’ve found that 1/2 cup of green beans roasts 5 to 5.5 minutes for a good dark-brown roast. I have some fresh roasted beans on my night table so I can smell them as I sleep….since they need to stand open for the 1st 12 hours. I just love it!
Forget the “poppery” — the Chefmate popcorn popper from Target does a great job for about $16 — I love it. Beautiful dark-brown roast in 5 to 5.5 minutes!
I use the handle end of a big wooden spoon to spin the beans every 1.5 minutes in the direction they are turning…the friction helps the chaff release from the beans and blow out the top. This works great if you are roasting outside.
I read somewhere that if you put them in an airtight container immediately after roasting, they could possibly release enough gas to blow the container apart or blow the top off..
your thoughts?
I visited a new seasons roaster and he said (as well as others) than it needs to outgas CO2 for a couple days and that is why he had the fresh bean out in the open air bins.
Reading forums they say that the roasted beans are put directly into those stay fresh bags in the grocery store. I guess they are kind of puffy and they do have that one way valve…but i doubt it would build up enough pressure to blow the lid off something.
every one and a half minutes? After the first warm up roast it takes us about 3.5 min to roast a full load in the poppery popper. If it takes you 7+ minutes you might consider a unit with more wattage or roasting at a higher ambient temperature. The key to a good roast is to heat it and cool it as fast as possible.
But if you like what you have, keep on roastin!
GOOD IDEA ABOUT THE BOX.
Coffee beans make me hurt people
thanks but it wasnt my idea. I cant find the original article online right now but they had an illustration and everything
I found that a small hurricane chimney (used for oil / wick lamps) does a good job of keeping temp up and the beans in. I strive for 1C at 4min and want it to last to the 7 min mark. Most of the time I roast for C to C+ so I rarely go for 2 C.
could you manually turn the heat off on this popcorn popper, and allow the popper to aerate the beans until cool?
u can install a dual switch so it bypasses the heating element and goes direct to the fan… thus cooling.
i merely just empty the popper quickly and place a aluminium collander on a metal manhole cover which cools it very quickly. agitate the beans with a metal spoon also which helps extract heat.
good luck.
i love how your wife also holds the same enthusiasm for coffee roasting. your a lucky man
You’re meant to leave them in a container with the lid off for at least 12 hours before air sealing them. this is to let CO2 gases emit from the beans prior to consumption.
also leave them at least 24hours (including the initial 12) before grinding etc. best to grind as you use and not grind them all at once also
I’ve found that any air popper over 1200W is good enough.
Anything below this is inadequate.
How do they taste?
I have a new method now of placing the metal collander in the freezer prior to roasting. Means its real cold when putting beans in it! Its a great method and have found the beans are wonderful this way.
They taste better than ones you buy pre-roasted cos theyre so fresh
Good idea.
Thanks guys, it’s great to see & hear about other techniques to improve my roasting results. I wish I would have seen this video a year ago when I was a newbie. It would have saved me a few pounds of failures. I am refering this vid to others interested in home roasting. I have friends who’re not fans of popcorning but I think my results are as good as their iRoasts and Nesco roasters that cost considerably more. If my air popper stops working I might upgrade.
Have you tried using two colanders to pour beans from one into another? The air exposure helps cooling plus any left over chaff floats away. I also use two fine mesh strainers because more air gets to the beans helps them to cool faster. I store them in a mason jar with cheesecloth over the lid to aid de-gassing for the first 8 to 10 hours followed by a regular lid. I haven’t noticed a loss of flavor using cheesecloth as apposed to a lid with a hole in it or using an air tight container.
Great informative video. I was led to believe that the first 12 to 24 hours after roasting, the beans needed to be in a one way bag to let the co2 (to degas) out and not air in, any thoughts on this?
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Thank you
Miato