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ןנברמ אברוצ ׳א רדסה ליל תוכלה · 301

According to the Rosh, one must eat a kezayit of matza from each matza. The Bach wonders though why one
must eat two separate kezayit portions. Why is an additional kezayit for hamotzee necessary in addition to the
kezayit used for the mitzva of matza?

a Bach, Orach Chaim 475 העת ןמיס ח״וא | ח”ב . 44
Regarding what he wrote that one needs to eat a kezayit from ונייה .דחא לכמ תיזכ לכאיש בתכש המו
each one, that is due to the fact that there is no definition of eating םיחספ( תיזכמ התוחפ הליכא ןיאש יפל
for less than a kezayit (Pesachim 32b; Yerushalmi, Yoma 2:1). המית והימ )א”ה ב”פ אמוי ימלשורי ,:בל
However, this is astounding: One can understand [that one needs לע הילע ךרבמש הסורפה ןמ אמלשב
to eat a kezayit] from the piece of matza upon which one recites ןמ לבא תיזכ יעבד ריפש הצמ תליכא
the beracha al achilat matza, it is logical that one needs [to eat] a אנש יאמ איצומה הילע ךרבמש המלשה
kezayit. But regarding the whole matza upon which one recites
the beracha of hamotzee, what is different from [the halacha of] יפ לע ףא איצומה וילע ךרבמש תפ ראשמ
other bread, upon which one recites hamotzee even though one :תיזכ לכוא וניאש
doesn’t eat a kezayit?

The Shulchan Aruch rules in accordance with the opinion of the Rosh and the Mishna Berura resolves all
the questions of the Bach.

a Shulchan Aruch, Orach Chaim 475:1 א:העת ח״וא | ע״וש . 45
And he should eat a kezayit from each one simultaneously. If he םאו ,דחא לכמ תיזכ דחיב הביסהב םלכאיו
is unable to eat two kezayit portions simultaneously, he should לש לכאי ,דחיב םיתיז ינשכ לוכאל לוכי וניא
eat [the kezayit] of the hamotzee first and then [the kezayit] of al .הצמ תליכא לש ךכ רחאו הלחת איצומה
achilat matza.

a Mishna Berura 475:9 ט:העת | הרורב הנשמ . 46
From the broken matza one definitely needs to eat a kezayit, for ןיכרבמ אהד תיזכ ךירצ יאדוב הסורפה ןמ
one recites the beracha of al achilat matza over this, and there is תיזכמ התוחפ הליכא ןיאו הצמ תליכא לע
no definition of eating for less than a kezayit. However, regarding איצומהד ל”יק אלה איצומה תסורפ לבא
the broken matza used for motzee, we hold that we recite a beracha ןמיסב ל”נכו תיזכמ תוחפ לע וליפא ןיכרבמ
of hamotzee even over less than a kezayit (as discussed earlier ןירבוסש ןיקסופ שיד םושמ אלא י”ר
in Siman 210). However, since there are some poskim that hold לע תכרבו הסורפה לע יאק איצומה תכרבד
that the beracha of hamotzee is recited over the broken matza and
the beracha of al achilat matza is recited over the whole matza, לכמ ךירצ ךכל המלשה לע יאק הצמ תליכא
therefore one needs [to eat] a kezayit from each. .תיזכ תחא

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