Popular Shows by Dovid Cohen דוביד כהן
744 episodes
#
Name
Release Date
Duration
701
Zeroah, Lechayayim, and Keivah (Meat and Poultry #32 - Specific Parts B)
Zeroah, Lechayayim, and Keivah (Meat and Poultry #32 - Specific Parts B)
Apr 16, 2021
14:34
Is one obligated to give Zeroah, Lechayim, and Keivah (זרוע לחיים וקיבה) to a Kohen in the United States? Kurkuvan - assorted halachos See the video at http://kshr.us/MatnosKehunah
702
Shrink Tunnel (Meat and Poultry #33 - Packaging A)
Shrink Tunnel (Meat and Poultry #33 - Packaging A)
Apr 23, 2021
17:20
Does a shrink tunnel used for non-kosher meat have to be kashered before use for kosher meat in Cryovac bags? Hot tunnel Hot bath Layers Irui kli rishon, tata'ah gavar, hevel hakedairah Watch the video at http://kshr.us/ShrinkTunnel
703
Pesach (Meat and Poultry #34 - Packaging B)
Pesach (Meat and Poultry #34 - Packaging B)
Apr 30, 2021
12:24
Pesach issues at a kosher packing house: Netting Ink Casings Watch the video at http://kshr.us/PesachMeat
704
American Meat Takanah (Meat and Poultry #35 - Packaging C)
American Meat Takanah (Meat and Poultry #35 - Packaging C)
May 7, 2021
13:11
American Meat Takanah of the Agudas HaRabbonim The takanah Must we follow it? Spirit of the takanah Watch the video at http://kshr.us/Takanah
705
Hidden Issues (Meat and Poultry #36 - Miscellaneous A)
Hidden Issues (Meat and Poultry #36 - Miscellaneous A)
May 14, 2021
19:53
Hidden issues in a kosher slaughterhouse: Dewlap tag Electric prod Electrical stimulation Rodding the weasand Watch the video at http://kshr.us/Hidden
706
Insect Issues (Kosher Classes #49)
Insect Issues (Kosher Classes #49)
May 20, 2021
1:02:13
Insect Issues Copepods in New York City Water (Kensico reservoir, visibility, matzui) Worms in fish Leaf miners Mechanically dried herbs Shellac Q&A Buy the book at www.kashrushalacha.com
707
Cultured Meat (Meat and Poultry #37 - Miscellaneous B)
Cultured Meat (Meat and Poultry #37 - Miscellaneous B)
May 21, 2021
30:16
What does it take to create kosher artificial meat (a.k.a. cultured meat, cellular meat, clean meat)? What are the halachic issues to consider? Basar min hachai Shechitah Fleishig or pareve? Extension or ma'amid? Serum See the video at http://kshr.us/CulturedMeat
708
Butchering Knives (Meat and Poultry #38 - Miscellaneous C)
Butchering Knives (Meat and Poultry #38 - Miscellaneous C)
May 28, 2021
14:20
Is it acceptable for kosher slaughterhouses to use the same knives for kosher and non-kosher, such as neveilos and teraifos? How can that be reconciled with Shulchan Aruch YD 10:3 and 64:16? See the video at http://kshr.us/ButcherKnives
709
Davar Hama'amid (Bitul and B'lios #1 - Shulchan Aruch YD 87:11)
Davar Hama'amid (Bitul and B'lios #1 - Shulchan Aruch YD 87:11)
Jul 2, 2021
38:15
Davar Hama’amid: General Halachos – Exceptions [1] basar b’chalav (cheese), [2] inherently forbidden (yeast), [3] zeh v’zeh gorem, [4] remains in (immobilized enzyme, glucose isomerase, catalysts), [5] meaningful effect Examples – cottage cheese, vinegar, stabilizer, amylases Other details – kashering afterwards, chametz after Pesach, bishul akum and kitnios, whey, three ha’amados, tevillas keilim See seforim by Rabbi Cohen at www.kashrushalacha.com
710
Glucose (Hashgachah Practicum #1 - Ingredients A)
Glucose (Hashgachah Practicum #1 - Ingredients A)
Jul 9, 2021
44:07
Glucose Sugars (monosaccharides, disaccharides, polysaccharides) Glucose sources (juice, lactose, starch, countries of origin) Glucose uses (fermentations, alcohol, vinegar, ethyl compounds, sugar alcohols) Nishtaneh See seforim by Rabbi Cohen at www.kashrushalacha.com
711
Hafrashas Challah in Commercial Establishments (Kosher Classes #50)
Hafrashas Challah in Commercial Establishments (Kosher Classes #50)
Jul 14, 2021
58:33
Hafrashas Challah in Commercial Establishments Four methods Dough-ball method (shiyarehah nikarim, trust) Tevel dough and matzah (proper year, lo ba'ah l'olam, other grains, mukaf, shelichus, act of hafrashah) Q&A Buy Rabbi Cohen's book on this topic at www.kashrushalacha.com
712
Zeh V'zeh Gorem [Part 1 - Flavors] (Bitul and B'lios #2 - Shulchan Aruch YD 87:11)
Zeh V'zeh Gorem [Part 1 - Flavors] (Bitul and B'lios #2 - Shulchan Aruch YD 87:11)
Jul 23, 2021
35:32
Zeh V'zeh Gorem - Part 1 Principle Flavors Different Contributions Yesh bazeh k'dei lechamietz (יש בזה כדי לחמץ) Pesach See seforim by Rabbi Cohen at www.kashrushalacha.com
713
Zeh V'zeh Gorem [Part 2 - Emulsifiers] (Bitul and B'lios #3 - Shulchan Aruch YD 87:11)
Zeh V'zeh Gorem [Part 2 - Emulsifiers] (Bitul and B'lios #3 - Shulchan Aruch YD 87:11)
Jul 30, 2021
33:31
Zeh V'zeh Gorem [Part 2] Simultaneous or Consecutive? (sherry casks, blenders) Emulsifiers (definition, status as ma'amid, zeh v'zeh gorem) See seforim by Rabbi Cohen at www.kashrushalacha.com
714
Evaporators (Hashgachah Practicum #2 - Equipment A)
Evaporators (Hashgachah Practicum #2 - Equipment A)
Aug 6, 2021
51:11
Evaporators / Concentrators Operations - overview, effects, condensate; Hashgachah - flavor essence, cow water; Kashering - considerations, options. See seforim by Rabbi Cohen at www.kashrushalacha.com
715
ChaNaN [Part 1 - Basic Halacha] (Bitul and Blios #4 - Shulchan Aruch YD 92:3-4)
ChaNaN [Part 1 - Basic Halacha] (Bitul and Blios #4 - Shulchan Aruch YD 92:3-4)
Aug 13, 2021
35:21
Chatichah Na'aseis Neveilah (חנ"נ) [Part 1] Basic Halacha Basar b'chalav; Sha'ar issurim; Hefsed merubah (examples); Lach and yavesh (לח ביבש, לח בלח, יבש ביבש, powdered stabilizer blend); Safek issur (five opinions); Steam systems; Yedias Hata'aroves. See seforim by Rabbi Cohen at www.kashrushalacha.com
716
ChaNaN [Part 2 - Exceptions] (Bitul and Blios #5 - Shulchan Aruch YD 92:3-4)
ChaNaN [Part 2 - Exceptions] (Bitul and Blios #5 - Shulchan Aruch YD 92:3-4)
Aug 20, 2021
32:01
Chatichah Na’aseis Neveilah (חנ"נ) [Part 2] Exceptions Heter; Chametz; Issur d’rabannan; Chalav stam; Not batel b’shishim; Keilim; Sofo l’hishpashet Cold. See seforim by Rabbi Cohen at www.kashrushalacha.com
717
Dairy Industry Overview (Hashgachah Practicum #3 - Dairy A)
Dairy Industry Overview (Hashgachah Practicum #3 - Dairy A)
Aug 27, 2021
37:12
Dairy Industry Overview Milk; Fat - cream, butter, buttermilk, ice cream; Protein - acid vs. rennet, casein and cheese, hard cheese vs. soft cheese, whey, cottage cheese, yogurt, sour cream; Sugar / Lactose - mei chalav, meimei chalav, uses Water and minor components See seforim by Rabbi Cohen at www.kashrushalacha.com
718
Steam Systems [Part 1 - Blios] (Bitul and Blios #6 - Shulchan Aruch 92:5-7)
Steam Systems [Part 1 - Blios] (Bitul and Blios #6 - Shulchan Aruch 92:5-7)
Sep 3, 2021
40:30
Steam Systems (טיפת חלב) [Part 1] Introduction - cooking with steam, jacketed kettles, questions; Halacha; Observable phenomena; 10% rule; Preventing cross-contamination (7 ways); See seforim by Rabbi Cohen at www.kashrushalacha.com
719
Shemittah Is Starting (Kosher Classes #51)
Shemittah Is Starting (Kosher Classes #51)
Sep 6, 2021
10:45
Shemittah is starting: Preparations; Manufacturing companies; Vegetables - timing, sefichin; Options; Fruits - kedushas shevi'is, timing; Buy the book at www.kashrushalacha.com
720
Steam Systems [Part 2 - Pegimah] (Bitul and Blios #7 - Shulchan Aruch 92:5-7)
Steam Systems [Part 2 - Pegimah] (Bitul and Blios #7 - Shulchan Aruch 92:5-7)
Oct 15, 2021
34:57
Steam Systems (טיפת חלב) [Part 2] Pegimah Davar hapogem Chavos Da'as Nifsal mei'achilah (inedible) vs. sheloh k'derech achilah Nisrach (spoiled) vs. irev bo davar mar (bitter component added) Pesach proofs Reversibility Nosein ta'am lifgam Three approaches Pegimah candidates - pine oil, propylene glycol, neutralizing amines, bitrex, heating oil, caustic See seforim by Rabbi Cohen at www.kashrushalacha.com
721
Seven Important Shemittah Disagreements [Part 1] (Hashgachah Practicum #4 - Shemittah A)
Seven Important Shemittah Disagreements [Part 1] (Hashgachah Practicum #4 - Shemittah A)
Oct 22, 2021
33:11
Seven Important Shemittah Disagreements – Part 1 of 2 Borders (names, southern border) Greenhouse produce (עציץ שאינו נקוב/atzis she’aino nakuv, זורע בבית/zore’ah babayis) Meshumar and Ne’evad (משומר ונעבד) Yevul Nochri (יבול נכרי) Kedushas Shevi’is after Biur See seforim by Rabbi Cohen at www.kashrushalacha.com
722
Seven Important Shemittah Disagreements [Part 2] (Hashgachah Practicum #5 - Shemittah B)
Seven Important Shemittah Disagreements [Part 2] (Hashgachah Practicum #5 - Shemittah B)
Oct 29, 2021
42:52
Seven Important Shemittah Disagreements – Part 2 of 2 Three kulos of Chazon Ish (ukmei peiri/אוקמי פירי, zeri'ah mukdemes/זריעה מוקדמת, s'dei nir/שדה ניר) (Otzar Beis Din) Heter Mechirah (sha'as hadchak, gemiras da'as, lo sechanem) See seforim by Rabbi Cohen at www.kashrushalacha.com
723
Freeze Dryers (Bitul and Blios #8 - Shulchan Aruch 92:6)
Freeze Dryers (Bitul and Blios #8 - Shulchan Aruch 92:6)
Nov 5, 2021
34:28
Freeze Dryers (אש שורף דבר מועט) Stovetop; Oven; Freeze Dryer operations; Hashgachah; Segregation; Other issues. See seforim by Rabbi Cohen at www.kashrushalacha.com
724
Foods That Require Bishul Yisroel (Hashgachah Practicum #6 - Bishul Yisroel A)
Foods That Require Bishul Yisroel (Hashgachah Practicum #6 - Bishul Yisroel A)
Nov 12, 2021
41:45
Foods That Require Bishul Yisroel Pas vs. Tavshil; Edible raw (נאכל חי) (with other foods, passably edible, prefer it cooked); Oleh al shulchan melachim (עולה על שולחן מלכים) (definition, if prepared differently, egg) Beets, cake, cereal, corn, crackers, doughnuts, eggs, onions, pizza, potato chips, rice, sardines, tuna fish, and wraps. See seforim by Rabbi Cohen at www.kashrushalacha.com
725
Zei'ah (Bitul and Blios #9 - Shulchan Aruch 92:8)
Zei'ah (Bitul and Blios #9 - Shulchan Aruch 92:8)
Nov 19, 2021
42:23
Zei'ah Basic halachos; Stovetop; Oven; Microwave oven; Hookah; e-Cigarettes; Zei'ah b'almah; Media. See seforim by Rabbi Cohen at www.kashrushalacha.com
726
Eating During Shemittah In Eretz Yisroel (Kosher Classes #52)
Eating During Shemittah In Eretz Yisroel (Kosher Classes #52)
Nov 25, 2021
40:12
Eating during shemittah Sefichin; Kedushas shevi'is - timing, foods, flowers; Northern Aravah; Greenhouse produce (מצע מנותק); Non-Jewish fields (יבול נכרי); Heter mechirah; Otzar Beis Din; זריעה מוקדמת; Kedushas Shevi'is - proper uses, with demonstration. Buy the book at www.kashrushalacha.com
727
Medicine and Toiletries for Pesach (Pesach #41)
Medicine and Toiletries for Pesach (Pesach #41)
Nov 30, 2021
1:08:15
Medicine and Toiletries for Pesach Shulchan Aruch OC 442; Inedible vs. sheloh k'derech; עירב בו דבר מר vs. נסרח גוף האיסור (Chavos Da'as, Pesach examples); Ach'shvei (אחשביה); Chametz ingredients (starch, ethanol, xanthan gum, sorbitol, flavors); Inedible (definition, ach'shvei, toothpaste, mouthwash, denatured alcohol, vitamins); Is it really chametz? See Rabbi Cohen's seforim at www.kashrushalacha.com
728
Boilers (Hashgachah Practicum #7 - Equipment B)
Boilers (Hashgachah Practicum #7 - Equipment B)
Dec 3, 2021
35:35
Boilers Relevance; Firetube and Watertube boilers; Startup and draining a boiler; Boiler setup; Pegimah Sampling; Bishul Yisroel (creation, oversight). See seforim by Rabbi Cohen at www.kashrushalacha.com
729
Sefichin (Kosher Classes #53)
Sefichin (Kosher Classes #53)
Dec 10, 2021
56:41
Sefichin Is main criteria kedushas shevi'is or concern of planting? Items without kedushas shevi'is (linen, flowers); Animal food; Non-Jew's field; Harvested in 8th year; Planted in 6th year; שדה ניר. Buy the book at www.kashrushalacha.com
730
Ain Habaluah Yotzeh (Bitul and Blios #10 - Shulchan Aruch YD 92:8)
Ain Habaluah Yotzeh (Bitul and Blios #10 - Shulchan Aruch YD 92:8)
Dec 17, 2021
38:08
אין הבלוע יוצא מחתיכה לחתיכה בלא רוטב Food to food; Utensil to utensil; Details; Industrial examples; Stovetop grapes; Induction stovetop. See seforim by Rabbi Cohen at www.kashrushalacha.com
731
Non-Kosher Materials [Part 1] (Hashgachah Practicum #8 - Ingredients B)
Non-Kosher Materials [Part 1] (Hashgachah Practicum #8 - Ingredients B)
Dec 24, 2021
29:22
Non-Kosher Materials - Part 1 Scope; Meat and Poultry; Oils, fats, glycerin, fatty acids, gelatin; Fish (scales, red roe, salmon, isinglass); Insects; Dairy products (chalav akum, gevinas akum, casein, lactose). See seforim by Rabbi Cohen at www.kashrushalacha.com
732
Non-Kosher Materials [Part 2] (Hashgachah Practicum #9 - Ingredients C)
Non-Kosher Materials [Part 2] (Hashgachah Practicum #9 - Ingredients C)
Jan 14, 2022
42:43
Non-Kosher Materials - Part 2 Agricultural Products; Ma'achalei Akum - bishul akum, pas akum, stam yayin; Grains; Chodosh / yoshon; Hafrashas challah; Time and Place; Pesach - chametz, chametz she'avar alav haPesach, Jewish distributors; Arlah; Terumah and ma'aser; Shemittah; Keilim (equipment) - fatty acids, vegetable oil, dryers, pasteurization, steam. See seforim by Rabbi Cohen at www.kashrushalacha.com
733
Ta'am Travelling and Transferring (Bitul and Blios #11 - Shulchan Aruch 94:1)
Ta'am Travelling and Transferring (Bitul and Blios #11 - Shulchan Aruch 94:1)
Jan 28, 2022
30:48
Ta'am Travelling and Transferring Cham miktzaso cham kulo (source, contradiction, Magen Avraham, Shach, Maharam Matz); Kovush; Distance; Connections; Speed. See seforim by Rabbi Cohen at www.kashrushalacha.com
734
Kashering From The Food Side (Hashgachah Practicum #10 - Kashering A)
Kashering From The Food Side (Hashgachah Practicum #10 - Kashering A)
Feb 4, 2022
19:38
Kashering From The Food Side Basic Halacha; Blech; Frying pan; Glass stovetop; Kedairah blech; Reactor. See seforim by Rabbi Cohen at www.kashrushalacha.com
735
Nat Bar Nat (Bitul and Blios #12 - Shulchan Aruch 95:1-2)
Nat Bar Nat (Bitul and Blios #12 - Shulchan Aruch 95:1-2)
Feb 11, 2022
34:27
Nat Bar Nat Eight Basic Halachos (heter, charif, l'chatchilah, 3 transfers, cooking, clean utensil, aino ben yomo, residue); Certified items; "DE" foods; Keurig Steam table. See seforim by Rabbi Cohen at www.kashrushalacha.com
736
Tevillas Keilim [Part 1] (Hashgachah Practicum #11 - Consumer A)
Tevillas Keilim [Part 1] (Hashgachah Practicum #11 - Consumer A)
Feb 18, 2022
30:07
Tevillas Keilim - Part 1 (home users) China; Teflon; Porcelain enamel Disposable pans Electrical devices (עשוי לשמש עם הקרקע, impossible to toveil); Containers of packaged food See seforim by Rabbi Cohen at www.kashrushalacha.com
737
Tevillas Keilim [Part 2] (Hashgachah Practicum #12 - Consumer B)
Tevillas Keilim [Part 2] (Hashgachah Practicum #12 - Consumer B)
Feb 25, 2022
29:21
Tevillas Keilim - Part 2 (business users) Containers of Packaged Food; Restaurants; Hotels; Nursing Homes; Retinning; Large industrial equipment; See seforim by Rabbi Cohen at www.kashrushalacha.com
738
Meat and Fish (Bitul and Blios #13 - Shulchan Aruch 95:1)
Meat and Fish (Bitul and Blios #13 - Shulchan Aruch 95:1)
Mar 18, 2022
32:00
Meat and Fish Danger Separation Bitul (bitul b'shishim, bitul issur l'chatchilah) Worcestershire sauce Fish oil Marshmallows Fish fork B'lios See seforim by Rabbi Cohen at www.kashrushalacha.com
739
Safek Issur Mashehu (Pesach #42)
Safek Issur Mashehu (Pesach #42)
Mar 25, 2022
33:38
Safek Issur Mashehu; Rice Cereal for infants on Pesach; איסור משהו; נתקבעו; יבש ביבש; סכין; ירדו גשמים See Rabbi Cohen's seforim at www.kashrushalacha.com
740
Is It Chametz? (Pesach #43)
Is It Chametz? (Pesach #43)
Apr 8, 2022
36:27
Is It Chametz? Foods Non-Foods Medicines Pets See Rabbi Cohen's seforim at www.kashrushalacha.com
741
Kedushas Shevi'is (Hashgachah Practicum #13 - Shemittah C)
Kedushas Shevi'is (Hashgachah Practicum #13 - Shemittah C)
May 6, 2022
44:54
Kedushas Shevi’is: Which items have kedushas shevi’is (food, animal food, flowers, yevul nochri) Eating without wasting (gram hefsed, shemittah bins, children) Eating – practical examples (lemon, apple, wine, animal food) Keep produce in Eretz Yisroel Sechorah Biur (how, after biur) See seforim by Rabbi Cohen at www.kashrushalacha.com
742
Washing Dishes [Principles] (Bitul and Blios #14 - Shulchan Aruch 95:3-4)
Washing Dishes [Principles] (Bitul and Blios #14 - Shulchan Aruch 95:3-4)
May 13, 2022
28:48
Washing Dishes Part 1 of a 5 part series on washing dishes; Principles / General Halachos; Nat bar nat (primary details, extensions); Pegimah. See seforim by Rabbi Cohen at www.kashrushalacha.com
743
Washing Meat and Dairy Dishes in One Sink (Bitul and Blios #15 - Shulchan Aruch 95:3-4)
Washing Meat and Dairy Dishes in One Sink (Bitul and Blios #15 - Shulchan Aruch 95:3-4)
May 20, 2022
22:20
Washing Meat and Dairy Dishes in One Sink Part 2 of a 5 part series on washing dishes Nat bar nat; Irui kli rishon; Proper practice; Non-kosher; Pesach. See seforim by Rabbi Cohen at www.kashrushalacha.com
744
Dishwashers (Residential) (Bitul and Blios #16 - Shulchan Aruch 95:3-4)
Dishwashers (Residential) (Bitul and Blios #16 - Shulchan Aruch 95:3-4)
May 27, 2022
39:18
Residential Dishwashers; Part 3 of 5 on washing dishes; Operations; Considerations; Technological changes; Pre-rinse cycle; Wash cycle; Sanitize rinse cycle; Kashering. See seforim by Rabbi Cohen at www.kashrushalacha.com