[Homeroast] Sour smelling & tasting beans...

Brian Kamnetz bkamnetz at gmail.com
Mon Oct 11 18:57:39 CDT 2010


Based with my experience with air poppers (when I was first roasting,
several years ago), it sounds like you are roasting too fast. It
sounds like the outside is roasted, perhaps even burnt (are your
roasted beans oily?), while the insides are not roasted. A "racing"
roast, where first crack blends into second, would also tend to
confirm my suspician. Sour taste, especially thin sour taste, sounds
like under-roasted centers to me.

For the heck of it, cut the amount that you are roasting in the
FreshRoast in half, and see what happens. I suspect your roast will
take longer, with a more pronounced pause between first and second

On the other hand, if you are not seeing any of these things,
disregard this post.


On Mon, Oct 11, 2010 at 5:53 PM, Sheila McKinnon <ihs at shaw.ca> wrote:
> Hello...  I have been 'lurking in the shadows' for the past while learning from all of you some of the finer tips on home roasting.  What a terrific group.  Thanks to all of your for your info and insight.
> My question that has prompted me to finally post...   I am roasting with a FreshRoast SR500  I also have a Behmor.  I have been roasting for over 1 year and have several hundred roasts behind me.  Most were ok.  Recently I am finding that the roasts with the FreshRoast have a sour smell - am I 'over roasting'?  I am hitting 2nd crack - if I stop too early then the roast seems under-roasted - with no taste.  It does not seem to matter the bean.
> Thanks in advance.  Cheers, Sheila.
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