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Thread: Roasting challenges with Yemen Mocha Ismaili

  1. #1
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    Roasting challenges with Yemen Mocha Ismaili

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    My first attempts at roasting this bean have been less than successful. :(

    I played it pretty conservatively using only two cups and applying my standard heat gun colander technique which has served me well for other varieties at up to 4 cups per batch.

    The main problem seems to be in the huge variance in sizes of the beans which meant that the smaller beans were starting to burn before the larger ones were near ready.

    Anticipating this problem I slowed things down as much as I could, (time to first crack was over 10 minutes, maybe 15) but the end result was still very uneven and suited only to an "accent" bean in a milder blend.

    Normally Id just rip off a few more but as this a premium bean Id like to hear of any suggestions or experiences before I possibly waste anymore.

    On a side note Im getting closer to going the BBQ drum route with every roast, the heat gun is a great cheap option but its becoming more of a task than a hobby.

    thanks for any help

    Maurice

  2. #2
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    Re: Roasting challenges with Yemen Mocha Ismaili

    On a side note Im getting closer to going the BBQ drum route with every roast, the heat gun is a great cheap option but its becoming more of a task than a hobby.
    Maurice I need to question you on one thing, Is it becoming a task or is it like the rest of us that you too are just becoming lazy and wanting a less manual way of roasting.....I had a laugh :D

    This drum roasting I think has a nice ring to it..... Turn it on and watch the wiper motor do the work...... hmmmmmm I like it!

    FB ;D

  3. #3
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    Re: Roasting challenges with Yemen Mocha Ismaili

    definitely a task especially with summer coming on in Qld, I normally do it later in the afternoon and jump straght in the pool afterwards, chaff and all. Sounds like a good xmas hols project to get a bbq roaster going.

    back on topic, has no one got anything to contribute on their experiences roasting/cupping the yemeni? As it was such a "hot" item I thought sure I would get some feedback??

    cheers

  4. #4
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    Re: Roasting challenges with Yemen Mocha Ismaili

    Marice, I thought there would have been more comments from the HG roasters among us. I understand there are quite a number of them but they seem reluctant to comment on their practical experiences. I have never used one, so I cannot offer anything help either.

    Re the BBG roaster, I put up a post to try and tempt the drum roasters to talk about what they are doing but so far, most of them seem to be very shy.

    All of my experience so far has been very positive. On the practical side, the SS mesh my drum is made from is fine enough to stop any beans falling through and the volume is sufficient to be able to handle my weeks requirements in a single roast.

    When roasting the Yemen Ismaili in the drum, the colours are uneven but I believe this has more to do with the amount of husk and material still attached to the beans. Colour variation has also been documented in other places. When cracked open, beans show consistent internal colour. Coffee made from the beans I have roasted is outstanding but sometimes it is simply too much of a good thing. It has the most amazingly powerful aroma reminiscent of fruitcake, spice, leather and licorice. The crema readily fills a shot glass. The flavour is very reminiscent of very fine chocolate (i.e. the ones with high cocoa butter content) and is extremely rich and lingering. It was described by Alan Frew as one of the 2 or 3 best coffees available in the world. I couldnt argue with this.

    Recently I have been trying a few blends to give me the flavour of the Yemen but to lighten it off a little. So far so good. I have something a little more useful for everday drinking but I still get the flavour keys.

    Hopefully, it gives you a clue about the Yemen in a BBQ roaster and might encourage a few more responses.

    Cheers,

    Graeme

  5. #5
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    Re: Roasting challenges with Yemen Mocha Ismaili

    This may be of some help. I roasted my Yemen Ismaili using my Imex, its the early version, the one that doesnt quite get hot enough. I use it with a carboard box partially covering the exhaust vents, so that some of the hot air is returned to the base.

    Back to the Ismaili, my roast was also uneven, but I dont think it affected the taste. I also noticed that the flavour took a bit longer to develop than with most of the other beans that I have roasted. I roasted a batch and tasted some every day for the next six days, I thought it was better from day three onwards. Another point worth a mention was the grind, I needed to set it a bit courser, but when I finally got it right they tasted great.

  6. #6
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    Re: Roasting challenges with Yemen Mocha Ismaili

    Behmor Coffee Roaster
    Thanks for the feedback guys,

    I basically overcooked the last roast and I guess the only answer is to go a bit slower and stir a bit faster. Im still not sure if this will compensate for the variety of bean sizes but i"ll give it a go and hopefully Ill post back with glowing praises.

    As this batch was overdone the roast flavor has pretty well overwhelmed any varietal characteristics but it sure did provide some kick when blended with lesser beans :D



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