[Avodah] size of a kezayit

[Richard Wolpoe]

On Fri, Apr 11, 2008 at 1:38 PM, kennethgmiller at juno.com <
kennethgmiller at juno.com> wrote:

>
> Okay, let's put that aside for a moment, and look at something else:
>
> MB 208:48 says that if one makes a food from flour, honey, and spices,
> only the flour counts towards the kezayis for an Al Hamichya; if one eats
> exactly a kezayis of it, one should only say a Boray Nefashos, because he
> did not have a kezayis of flour. He concedes that the popular practice
> ("nohagin haolam") is to count the other ingredients towards the kezayis,
> but says that "lechatchila tov lizaher" to make sure that there is a kezayis
> of flour [for the Al Hamichya].
>
> Akiva Miller



Given: Legabei bracha rishonah we have ikkar and tafeil.
Why is this not true for bracah acharona

E.G. [ma'aseh kd'deira]  If I eat a k'zayiis of mac and cheese, why is the
chees [which is bateil to the macaraoni] not mitztarefi lehsi'ur for a
bracha acharona?

As we know all ingredients are mitztareif for Pas habba bekisnin.  Why is
this different than a vailla case of bracha acharona? Why are not all
ingredients that are tafeil counted?


-- 
Kol Tuv / Best Regards,
RabbiRichWolpoe at Gmail.com
see: http://nishmablog.blogspot.com/
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