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A PRACTICAL GUIDE TO
THI;:LAWS OF KASHRUT
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"'- " YESHIVAT
MAGGID HARETZION
·Pinchas Cohen
A PRACTICAL GUIDE TO THE
LAWS OF KASHRUT
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Yeshivat Har Etzion
Alon Shevut '
Menachem Av 5770
Maggid Books &Yeshivat Har Etzion
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A Practical Guide to the Laws ofKashrut
First Edition 2010
Maggid Books S"YT S~,OV jf"jf' :,jf
An Imprint ofKoren Publishers Jerusalem Ltd.
v"~n:-t V":JS~
POB 8531,New Milford, CT 06776-8531, USA t10n t":l:J
&POB 2455, London WlA SWY, England .:-t.:Js.~.n
&POB 4044, Jerusalem 91040, Israel
www.korenpub.com
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©Pinchas Cohen zoio
The right ofPinchas Cohen tobe identified asthe author
ofthis work hasbeen asserted byhim in'accordance
with the Copyright, Designs &Patents Act 1988.
J.Il'
ISBN 978-1-59264-336-3, hardcover
ACIP catalogue record for this title is
available from the British Library.
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Reuven hen Yosef HaLevi
This compendium of guidelines and normative Halachic presentation
~
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(Ronald Azizollahoff) ofthe major areas ofthe laws ofkashrut asthey confront the consumer
was written by Rabbi Pinchas Cohen in memory of his father, Rabbi
Chaim Cohen 7"::n, for whom it serves afitting memento.
A devotedfamily man dedicated The volume attains atwofold purpose. First and foremost, it is
tohiscommunity and deeply oriented to giving the observant Jew, possibly only partially knowl-
caringabout allofKlal Yisrael. edgeable in these areas, practical direction in order to assume proper
practice. Concurrently itpresents many ofthe underlying principles so
that one's observance isinformed by understanding, and not confined
to rote performance.
Dedicated byhisson Itrust that readers will find the volume succinct and yet informa-
Hillel b'r Reuven Ha'Levi tive, avaluable aid in the quest for enhancing alife of religious obser-
vance and OWi1m':I'l7.
,'CtJ C.,·\
f
Aharon Lichtenstein
J,.'
Contents
i1~'Vi1 xiii
Introduction xv
Preface xvii
Meat andMilk (Jl;lnJ 'lVJ) 3
Prohibited Mixtures ofKosher and Non-Ko~her Food(m:ml1n) 4
Milk cooked inameat pot onthefire (11tllX' '?~) 4
A utensil that was not usedinthelast24 hours (17,)1'P1l'Xtl7'?~) 5
Milk spoon inserted intomeatfood 5
Milk spoon inserted intoparevefood 5
Cold milk inameat pot 6
What ishalachically considered heat? 6
Kelisheni 6
/-- ;
Milk cutlery inmeatplates and bowls 7
Hot meatfoods placed onamilk plate 7
Cutting coldfoods with aknife 8
Cutting hot meatfoods with amilk knife 8
J'''' Milk lidplaced onameat pot. 9
Pickling (tllm) 9
,J
Parevefoods that werecooked inmeat ormilk utensils (~"l ~"l) 9
ix
Parevefoods cooked ina~ilk ormeat oven 10 When istherean obligation tocheckfruits and vegetables beforeconsumption? ... 30
"Sharp"foods (~"n ':l1) 10 Whichfruits and vegetables have tobechecked? ·········· ·3J
Separating between Eating Milk andMeat 12 Not infested 31
Eating milk after meat 12 Rarely infested 31
Thetime interval between eating meat and milk 13 Significant minority areinfested ('1~1J:"1Ul17'lJ) .......................•...... ]1
Eating meat after milk 14 Infested : 31
Separation ofmeat and milk eaten atthe table:..' ;,'.., 14 How doesonecheck? 31
Apricots ........•................ , ·31
r••••••••••••••••••••••••••••••••••••
Immersing Utensils ([J'7J Il7':m) 15
Black Sunjlower Seeds .............................•...................... 32
Materials thatRequireImmersiol1: 15 Broccoli 32
Immersion ofelectrical appliances 16 Cabbage 32
Maya guest eatwhere utensils werenot immersed? 17 Cauliflower .....................•...........................•............ 32
How toKasher aKitchen 19 Celery 32
Cooking utensils and appliances 19 Com on thecob 32
Metal, completely smooth wooden utensils andplastic (pots, cutlery): 19 Dates ·· .32
Glass,pyrex, duralex 20 Dry beans ·33
Ceramics 21 Dryfigs ·····.································· ·33
Frying pans....................•.........................•............... 21 Figs ············· ·33
Microwave 21 Flour ·.············ ·33
,.....S.ink 21 Lettuce ....•............................................ ················ ·33
. Dishwasher ................................................•............. 21 Nuts ············· 34
Oven 22 Parsley .........•................... :~ .: 34
Oven trays '..........•.. -:.............................................. 22 Peanuts ············· 34
Gasstove 22 Pecan IIltts , , 34
Electric stoie 22 Rice (and other legumes) ......................................•.......... 34
Sandwich maker 22 Spinach ·············· 34
Counter 23 Spring onions ·35
Shabbat plata ...............................•........................... 23 Strawberries ..............................................•............. ·35
UsingAppliances inaKosher Kitchen '/': 25 Gelatin ·············· 37
Thestove ...25 FoodsofNon-Jews 39
Oven 25
Milk ofNon-Jews (D"l~17:l'm) 39
Microwave ........................................•......... :<.:••••...••• 26 Milk powder 40
Sink ......................•............................................ 27
Cheese ofNan-Jews (1:J"1~1m7':l~) ·····.··············· 41
j'''' Dishwasher ..... s,•••••••••••••••••••••.•••.•••••..••••••••••••••.•••••• 27 Cottage Cheese and Cream Cheese 41
Insects inFood 29 Bread ofNon-Jews (D"l~17no) ······· ..······· 42
Introductory principles regarding nullification ofinsectsinamixture .....•....... 29 Cooking byNon-lews (D"'~17.,1W':l) .......•.•.................... ·.···•······· 43
x xi
Whichfoods wereincluded intheprohibition ofbishul akum? 43
What levelofJewishparticipation isrequired inordertopermit thefood? 43
Wine ofNon-lews (OJ"one) 44
Glatt KosherMeat (p?n 'IllJ) .. _ 47
Kashering Liver 49
KashrutofEggs ', ;'.: 51
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;':1"tti";, tti~, 11~~
Separation ofChalla ~ 53
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Separation ofTithes (m'Ill17~' m~"I1I1Ill'~:1) 55
Introductory concepts S6
How toseparate tithes 57
Nusach ofSepar~pon ofTithes 60
Glossary 63
About theAuthor : 67
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xii xiii
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Introduction
':1':1l1'J
by the Rosh Hareshiva
HaRav Baruch Gigi
R"
Pinchas Cohen, shelita, a R= in om Yeshiva, has
- decided to publish ahalachic compendium dealing with kashrut-related
.. issues, based on the classes that he gave to the foreign students in our
Yeshiva on these matters.
It is difficult to overstate the importance of studying practical
Halacha, for everyone knows that "aboor cannot be sin-fearing, and
an ignoramus cannot be pious" (PirkeiAvot 2:5). This is especially true
in this area where there are an exceedingly large number of details and
it is urgently necessary to simplify the issues and explain them in an
.>,
appropriate manner, so that this body ofknowledge can be assimilated
by younger students.
The Jewish people, a priestly kingdom and holy nation, have
been commanded to safeguard their sanctity and not to contaminate
J'II' themselves with forbidden foods that defile both body and soul, asthe
Torah emphasizes many times: "You shall sanctify yourselves, and you
shall be holy" (Vayikra 11:45), "For you are aholy people to the Lord
t•.'
your God" (Devarim 14:21). And similarly the Rambam writes in his
xiv xv
Introduction by the Rosh HaYeshiva HaRav Baruch Gigi
Mishneh Torah (Hilchot Ma'achalot Assurot 17:32) asfollows: "Whoever
is careful about these matters brings extra holiness and purity into his
soul and refines his soul for the sake of God's name, asitisstated: 'You
shall sanctify yourselves, and you shall be holy, for I am holy"
In the blessings recited before the Shema, we ask: "Inspire us to
Preface
understand and discern, to perceive, learn and teach, to observe, do and
fulfillgladly allthe teachings ofyour Torahs' The present book embodies
learning and teaching, and above allit provides the tools to fulfill and
observe the commandments of God. It exemplifies the combination
oftheoretical study and practical application that must be found in all
areas ofthe Torah and our lives.
We extend our congratulations to Rav Pinchas for his twofold
accomplishments - for the oral dissemination of Torah in his classes
and for the publication ofhis teachings in written form. In this way the
wellsprings ofhis Torah will gush forth and cross oceans, bringing ben-
:m/j~ ~7 :-I;J:1: i~lJ71ll11iWl?~T;17~~770tJ~~lJi1J1iPQ~
efit to young students' world over.
(~7ji'~ 7~jiTn')
T,
With sincerest appreciation and friendship,
Baruch Gigi
c=nn",pn
booklet on thelaws ofkashrut is written in the
memory of my father HaRav Chaim Cohen '''~T, an ;':J7:-1lZrl'i who
imbued his children with alove and respect for :-I,m.
Itisalso dedicated to my mother l'i"'~11!ZJ,may Hashem bless her
with long life and good health with the nachas of seeing her children
and grandchildren grow in 111~1~m1'/j1 ;"111.
This book isbeing sent to print soon after to the passing of our
beloved Rosh Yeshiva HaRav Yehuda Amital, '''~Tin whose dalet arnot
Ihad the zechut of sitting for close to a decade. May Hakadosh Baruch
Hu grant us the strength to carryon his legacy to grow in Torah whilst
still remaining sensitive to the needs of Halyisrael.
Iwould like to express my ~1~;'111:J:-I:
Tothe Rashei Yeshiva l'i"~"!ZJand staffofYeshivat Har Etzion for
granting me the opportunity to learn and teach alongside them.
In reference to this book in particular Iwould like to thank the
Rosh Yeshiva HaRav Aharon Lichtenstein l'i"~'7!ZJwho reviewed the
xvi xvii
