HomeRoast Digest


Topic: Ethiopian Sidamo on the Stovetop (6 msgs / 138 lines)
1) From: james McDougal
Good morning,
I'm a real noob to roasting, and I finally have about a whole DOZEN stovetop
roasting experiences! So take this with a grain of salt.
I first roasted Sidamo (from a sampler pack) very early. I intended to roast
it to FC+ but I stopped it at a bean temperature of 415 because I thought I
was hearing 2C. I tried it in an aluminum MP, Mr. Coffee with gold filter
and FP. It wasn't really good, but it got better with rest and I thought I
could get some apricot taste/aroma. I also roasted some Sidamo decaf to C+
(435) with a little better, but not great results. Both of these were
constant heat roasts with the beans dumped into the stovetop popper when it
was 325 to 350 deg. according to an IR thermometer.
A week ago, I had the opportunity to go to a cupping class with the local
roaster in Dayton (Boston Stoker).  E.Sidamo was among the beans we cupped
and I was blown away with the blueberry and other bright fruit flavors. Left
the cupping class with 9 oz green Sidamo beans and 4 oz of beans they
roasted.
I had started to turn down the gas stove at 1C to extend the time to 2C in
my roasting attempts. I also started waiting until the  popper was hotter
(425-450) before adding the beans. With the Sidamo, 1C was between 7 and 11
minutes (374-403)  and I probably heard the beginnings of 2C at about 13
min. I took the stovetop roaster off the stove an 428 and ran outside where
I had a collander set over a fan for cooling. When I roasted the beans with
these parameters, there was much more success. The beans may have been
slightly lighter than the roasted beans from Boston Stoker. 14hr rest and
there was definitely blueberry in the FP brew. When I brewed the BS roasted
beans the same way. I thought I tasted a lemon start but less blueberry than
my roast. My beans are still getting better as they rest. Who knew that
coffee could have some interesting flavors - I guess I'm hooked! Could lead
to thousands of dollars of expensive toys!
Here's a link to the bean temp profile if anybody is interestedhttp://picasaweb.google.com/mcdougal.jim/ESidamo#Jim
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2) From: Brian Kamnetz
Jim,
Very interesting post. I agree, the first step to appreciating good
coffee is to come to the realization that coffee flavor is not one
flavor, with a goal of finding the best example of that one flavor,
but rather a huge range of flavors, all of which (or at least most of
which, depending on individual palate) can be very rewarding.
Congratulations on the progress you are making as a roaster!
Brian
On Fri, Sep 12, 2008 at 9:07 AM, james McDougal  wrote:
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3) From: Paul Helbert
James, Did you doroast the whole nine ounces at once?
On Fri, Sep 12, 2008 at 12:58 PM, Brian Kamnetz  wrote:
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Paul Helbert
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4) From: james McDougal
Hi Paul,
Yes, I roasted all 9 oz. It may be my imagination but I think the extra oz
(12.5% increase) slowed down the process noticibly - other roasts (always 8
oz before) with the same starting parameters reached 1C a minute or two
earlier and the rate of temp rise was a little faster (15-20 deg/min) than
with this roast. Makes sense - just surprised me that the system was that
sensitive to weight.
Jim
On Fri, Sep 12, 2008 at 1:20 PM, Paul Helbert wrote:
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5) From: Bill
Jimglad to hear that you're experimenting with the variables.  That's in the
true spirit of this list!!
Yep, I am generally blown away by the flavors in a cup of coffee.  Wow.
 Today I had a DP Koratie with lots of berries, a Yemeni Sana'ani with
spice, and a WP Koratie with lemons.  yum yum.  I love this hobby!
bill
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6) From: raymanowen
"...I guess I'm hooked! Could lead to thousands of dollars of expensive
toys!"
You're right- the very best processing equipment is demanded by the very
best coffee beans on the planet. And the machines were expensive when new,
not like the expensive shiny toys companies like Mattell, et al. pawn off.
Keep your eye peeled for  used commercial equipment. With a little
rebuilding, it's just like brand new commercial stuff and you're not likely
to ever run it down in home use.
Cheers, Mabuhay -RayO, aka Opa!
On Fri, Sep 12, 2008 at 7:07 AM, james McDougal wrote:
<Snip>
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty
Wichita (ex- NYC Paramount) WurliTzer- 1976
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