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  1. #1
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    Do you blend before the roast or after the roast

    Hello there, I am a home roaster just starting out. My question is addressed to any roaster. For an espresso should I blend the green beans before I roast or should I roast seperate and then blend the roasted beans together.

    Thansk

  2. #2
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    Re: Do you blend before the roast or after the roast

    Quote Originally Posted by bean_there_Bunn_that
    Hello there, I am a home roaster just starting out. My question is addressed to any roaster. For an espresso should I blend the green beans before I roast or should I roast seperate and then blend the roasted beans together.

    Thansk
    I am newer at this also, and I post blend. (of course I like the whole roasting process)


    I did try a bean suppliers "Espresso blend" and it turned out fine (I was sure it would not) I can tell what most of the beans are while green, as I bought beans from him individually, so I was shocked it turned out as well as it did. SInce there were 5 or 6 different beans in the mix.


    It does save time, and the supplier swears there is something about roasting them all together, that adds to the whole process.

    "Like stew is better when it simmers for 4 hours together, rather than throwing in a bunch of cooked items in a broth and serving it

    does this make sense?- he believes it is that big of intangible.....I am going to try it with my own blend and see what I think.

    good luck

  3. #3
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    I combine then roast.....usually.
    If your java tastes bitter: ASK QUESTIONS.
    Do unto others as you would have them do unto you.

  4. #4
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    Quote Originally Posted by NW JAVA
    I combine then roast.....usually.
    Is that a matter of convenience or preference NW? (I know it is much quicker, for sure)

    Again, just curious myself, to hear from some of the people who do it for a living.

    thanks in advance

  5. #5
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    Blend before roasting.

  6. #6
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    blend first ( after you are sure that the beans play well together) and it about effeciency and quality. imagine having three to five bags of roasted beans that you had to manage against staileness, and to boot scooping roasted beans can crack or otherwise damage the roasted bean; leaving it more prone to oxidation. Liftoff, it's nice to see you posting and I like you posts.
    If your java tastes bitter: ASK QUESTIONS.
    Do unto others as you would have them do unto you.

  7. #7
    Senior Member
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    roast then blend.
    You want cream and sugar?
    NO COFFEE FOR YOU! NEXT!

  8. #8
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    opinions are like...................
    If your java tastes bitter: ASK QUESTIONS.
    Do unto others as you would have them do unto you.

  9. #9
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    Ok, heres my humble opinion on this issue. I always roast my single origin beans seperatley THEN blend the beans together post roast. Why? Although all greens will have a similar moisture content (+/-12%) there are other factors that effect how they will roast...meaning it is hard to do justice to each origin if you rost them as one lot. Bean hardness, sugar content, size.. (if you are not using beans screened to the same size) even the method the bean was processed will/can all impact on the roast process. In my opinion it is very difficult if not impossible for me to bring out the characteristics in each origin and then apply it to my espresso blend if I roast all the beans I use in the blend at the same time.

    Ok- in saying this I see nothing wrong at all with a HOME roaster using a 250gm capacity home roast popper or Alpenrost combining all the greens together. My living is made from roasting...dawn till dusk (or is that dawn to dawn?? ). For a home roaster this is a love, a hobby...a second wife or hubby!!...but if you are roasting 4,5,6 origins individually to blend for an espresso you might suddenly find your significant other half is less supportive of your hobby.
    Merdeka Coffee (Indonesian Coffee Roasters and relationship coffee specialists) - Antipodean (Coffee - Cafe - Culture)

  10. #10
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    Thank you Alun_evans for conveying the reasons behind why roast seperately then blend is the way to go. However, even for home roasting I would think people should roast seperately and then blend. At 15 - 18 minutes per drum roast, 4 origins plus set up time will take a little more than an hour. That shouldn't be too much time for a nice hobby like home roast.
    You want cream and sugar?
    NO COFFEE FOR YOU! NEXT!

 

 
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