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Thread: My First Roast - Corretto with Costa Rica Tarrazu

  1. #1
    Senior Member Pavoniboy's Avatar
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    My First Roast - Corretto with Costa Rica Tarrazu

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi all,
    I am a newbie to coffeesnobs and thought I would introduce myself with my first roast. I have been a snob for coffee for some years now but never roasted before. Reading the forum here has given me the bug. So I went out and got all the parts for my corretto home roaster. A Breville BB480, Aldi heat gun, ebay digital thermometer (until the new Beanbay data logger arrives), box fan with mesh colander and an old pedestal fan I had around the house.

    My setup:


    Probe placement:


    One solid probe in the beans and one wire probe above the beans to monitor the ambient temp in oven.

    A two probe thermometer (switch between readout for each):


    My dodgy cooling tower (though worked quite well with another pedestal fan also blowing):


    My Costa Rica Tarrazu before I let loose on them:


    My roasting and recording temps took up my stress levels too much for me to take photos during the roast. I wanted to keenly observe as much as possible.

    So here is the finished product, after 15 and a half minutes roasting, in the cooler:


    I am very happy!!!

    Thermometer seemed to be probably 10 degrees cooler than actual. Second crack came a little quicker than I wouldve liked and I took it off as soon as there was the first sign of second crack.

    Heres the readings:

    0min 30 C
    1min 50 C
    2min 80 C
    3min 101 C
    4min 115 C
    5min 132 C
    6min 148 C
    7min 160 C
    8min 170 C
    9min 179 C
    10min 192 C
    FIRST CRACK right on 10 min
    11min 197 C
    12min 203 C
    13min 209 C
    14min 209 C
    15min 210 C
    1st signs of SECOND CRACK beginning at 15 and a half mins.
    Removed immediately.


    The finished product on the scales:


    300 grams down to 251 grams. A 16.33% loss. Pretty good I believe?

    Here is the profile I was attempting to follow and my roast in red. Taken from Peter Forster, sourced from CS.


    So, very happy as a first ever roast! Next time I will take into account the temps where 1st and 2nd crack happened, and back off the heatgun even more at 1st crack - stretch it out a bit.

    Please comment and give suggestions for next roast (coming soon to a shed in my backyard!)

    Thanks,
    Travis.


  2. #2
    Senior Member Pavoniboy's Avatar
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    Re: My First Roast - Corretto with Costa Rica Tarr

    Forgot to say...havent tasted it yet. I am waiting three days to begin the tasting journey.
    Smelt very good though. I am no professional with my taste or smell descriptions and may make a fool of myself here, but I though it smelt of blackberries and cinnamon with maybe some more complex spices as well.
    I will let you know how it cups in three days.

  3. #3
    Sleep is overrated Thundergod's Avatar
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    Re: My First Roast - Corretto with Costa Rica Tarr

    Looks like a good first roast and sounds like a good plan for the next one.

  4. #4
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    Re: My First Roast - Corretto with Costa Rica Tarr

    Impressive first roast Travis! You should have seen my first corretto attempt, the beans nearly caught on fire! It took me about 5 attempts to get anything drinkable!

    Yep - lengthen the time between 1st and 2nd crack and youre there! Well done!

  5. #5
    Senior Member Pavoniboy's Avatar
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    Re: My First Roast - Corretto with Costa Rica Tarr

    Well, began tasting this roast today and I was pleasantly surprised. First cup misjudged grind a bit and it ran fast - had a small sip - sorta okay but need to make it again. Second, a beautiful dripping honey at about the right flow for pressure (I use a lever).

    I was very satisfied. I regularly order Costa Rica Tarrazu from a respected roaster in Melbourne and although mine was inferior in comparison, not by as much as I expected! The flavour range was narrower, however the sweet/bitter balance was excellent with a favourable body.

    Very glad I have started the roasting journey.

    Travis.

  6. #6
    Mal Dimal's Avatar
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    Re: My First Roast - Corretto with Costa Rica Tarr

    Behmor Coffee Roaster
    Excellent stuff Travis [smiley=thumbsup.gif]

    So, the journey begins..... Have fun :)

    Mal.



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