Kashrus Halacha
Rabbi Dovid Cohen
Laws of kosher as they apply in contemporary times, taught by Rabbi Dovid Cohen of cRc Kosher.
Shiurim
- Jewish Owned Pas Paltar (Pas Yisroel #3 - Shulchan Aruch 112:2-3)
Rabbi Dovid Cohen
Jewish-owned Pas Paltar Two reasons Iggeros Moshe Definition of a Paltar Buy the book at www.kashrushalacha.com
- Avidah Lit'amah (Bitul and Blios #31 - Shulchan Aruch YD 98:8)
Rabbi Dovid Cohen
Milsah d'avidah lit'amah (מילתא דעבידא לטעמא): Basic halachos; D'oraisah or d'rabannan; Melach habaluah m'dam (מלח הבלוע מדם); Flavors; Kitnios. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Starbucks and Teavanna [Alcoholic Beverages #3 - Shulchan Aruch 114:1]
Rabbi Dovid Cohen
Starbucks and Teavana Mei Devash; Starbucks (approaches, assumptions, concerns) Teavana Buy the book at www.kashrushalacha.com
- Five Grains [Part 1] (Kosher Anthology 20)
Rabbi Dovid Cohen
Five Grains [Part 1]: Processing; Four Parts; Oats, barley, wheat, spelt, rye; Four berachos - ha'adamah, shehakol, hamotzi, mezonos; Wheat germ; Ma'asei kedairah. See seforim by Rabbi Cohen at www.kashrushalacha.co
- Violating Issurim D’rabannan for a Choleh (Alcoholic Beverages #27 -123:2)
Rabbi Dovid Cohen
Violating Issurim D’rabannan for a Choleh -General rule - Teshuvos HaRema - Bitul - Bach Remedies - Liquid medicines Buy the book at www.kashrushalacha.com
- Mevushal [Part 1] (Alcoholic Beverages #28 - 123:3)
Rabbi Dovid Cohen
Mevushal (Part 1) Rosh Buy the book at www.kashrushalacha.com
- Yoshon (Q&A 30)
Rabbi Dovid Cohen
Yoshon See seforim by Rabbi Cohen at www.kashrushalacha.com
- Small Kitchen Items on Shabbos [Part 1] (Kosher Anthology 17)
Rabbi Dovid Cohen
Small Kitchen Items on Shabbos [Part 1]: Labriute Meals (FRH/MRE); Soda Stream (Sypholux); Metal Ice Cubes. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Perutah Chamurah (Kosher Anthology 63)
Rabbi Dovid Cohen
Perutah Chamurah: Pidyon ma'aser sheini; The coin; Perutah chamurah (what, why); Complications; Useable currency; Double transfer. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Shemitas Kesafim & Pruzbul (Shemittah #23 - End of Shemittah A)
Rabbi Dovid Cohen
Shemittas kesafim and Pruzbul Buy the book at www.kashrushalacha.com .
- Salting (Meat and Poultry #28 - Melichah E)
Rabbi Dovid Cohen
Salting Wet salt Melichah methods (all sides with dry salt, covered for 60 minutes without reabsorption) Meat placement Liver Internal organs in chicken Meat for people on a low sodium diet (broil, chalitah, salt alternates, work in rules f
- Price & Biur (Shemittah #21 - Otzar Beis Din B)
Rabbi Dovid Cohen
Price Biur - Mtzvah of biur - Kedushas shevi'is after biur Buy the book at www.kashrushalacha.com .
- Washing Meat and Dairy Dishes in One Sink (Bitul and Blios #15 - Shulchan Aruch 95:3-4)
Rabbi Dovid Cohen
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
- Medicine [Part 2] (Kosher Anthology 47)
Rabbi Dovid Cohen
Medicine [Part 2]: Ingredients; Levels of issur; Bitul; Flavors; Four categories; Severity of illness; Refuah yeduah; Substitutes; Decision tree. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Beracha on Changed Food [Part 2] (Kosher Anthology 16)
Rabbi Dovid Cohen
Beracha on Changed Food - Part 2: Tomato paste; Peanut butter; Chocolate; Sugar; Soy; Orange Juice; Recited ha'eitz or ha'adamah. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Arlah (Q&A #11)
Rabbi Dovid Cohen
Arlah See seforim by Rabbi Cohen at www.kashrushalacha.com
- Kashering Where You're Afraid to Break the Utensil (Kashering #2 - Shulchan Aruch 451:1)
Rabbi Dovid Cohen
Kashering where you're afraid to break the utensil Libun gamur for cheress Three hag'alos for cheress
- Performing Bedikas Harei’ah (Meat and Poultry 15 - Teraifos B)
Rabbi Dovid Cohen
Checking the lungs Overview Accessing the diaphragm Bedikas pnim Bedikas chutz Lamb and veal Video available at https://kshr.us/CheckLung
- Eating During Shemittah In Eretz Yisroel (Kosher Classes #52)
Rabbi Dovid Cohen
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, wit
- Mukaf in Chutz La'aretz (Hafrashas Challah #15 - Shulchan Aruch 325:2)
Rabbi Dovid Cohen
Mukaf in Chutz La’aretz Standard case Mukaf in two batters
- Coffee on Shabbos (Kosher Anthology 45)
Rabbi Dovid Cohen
Coffee on Shabbos: Freshly Brewed; Instant Coffee (freeze dried vs spray dried); Butter; Salt; Additives; Instant coffee with fresh coffee grinds; Liquid coffee concentrate. See seforim by Rabbi Cohen at www.kashrus
- Berachos on Berries (Kosher Anthology 40)
Rabbi Dovid Cohen
Berachos on Berries: Blueberries; Cranberries; Strawberries; Raspberries and Blackberries; Acai Berries; Currants. See seforim by Rabbi Cohen at www.kashrushalacha.com
- American Meat Takanah (Meat and Poultry #35 - Packaging C)
Rabbi Dovid Cohen
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
- Foods for Pesach (Pesach #29)
Rabbi Dovid Cohen
Foods for Pesach
- Seven Important Shemittah Disagreements [Part 2] (Hashgachah Practicum #5 - Shemittah B)
Rabbi Dovid Cohen
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 sefo
- Worms in Meat and Fish (Halachos of Insects #34 - Shulchan Aruch 84:15-16)
Rabbi Dovid Cohen
Barnacle Goose Worms in Meat and Fish Explaining the halacha Added details Anisakis highlights Buy the book at www.kashrushalacha.com
- Pesach Shorts [Part 2] (Kosher Anthology 52)
Rabbi Dovid Cohen
Pesach Shorts [Part 2]: Alfalfa (kitnios, sodium copper chlorophyllin); Fenugreek; Chametz gamur (mechiras chametz). See seforim by Rabbi Cohen at www.kashrushalacha.com
- How Food Can Be Chametz (version 2) (Pesach #22c)
Rabbi Dovid Cohen
How Food Can Be Chametz Five grains Barley malt Beer & whisky Glucose Ethyl alcohol Vinegar Fermentations
- Boilers (Hashgachah Practicum #7 - Equipment B)
Rabbi Dovid Cohen
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
- Liver (Meat and Poultry #30 - Melichah G)
Rabbi Dovid Cohen
Liver Kashering [7 steps] How long to broil Three days Equipment Raw livers [kovush] Raw livers [retail sale] Watch the video of this shiur at http://kshr.us/Liver
- Cooking Methods (Hashgachah Practicum #16 - Bishul Yisroel B)
Rabbi Dovid Cohen
Which cooking methods require bishul Yisroel? Salting; Pickling; Smoking (cold smoke, hot smoke); Steaming; Microwaving; Induction cooktop; See seforim by Rabbi Cohen at www.kashrushalacha.com
- Tevillas Keilim Issues (Kosher Classes 76)
Rabbi Dovid Cohen
Tevillas Keilim Issues: Klei sechorah; Tevillah before it is required - houseware store, present, restaurant; Dish rental business; Electrical devices; Partnership with a non-Jew; Cannot be toiveled without ruining it; Dishes which didn't h
- Noodle Kugel (Hafrashas Challah #25 - Shulchan Aruch 329:8)
Rabbi Dovid Cohen
Noodle kugel Jewish ownership Mei peiros Need for hafrashah on pasta Baking after cooking Is kugel ‘baked’ Tureisah d’nahamah Hafrashah in noodle stage
- Introduction to Heter Mechirah (Shemittah #17 - Heter Mechirah A)
Rabbi Dovid Cohen
Introduction to Heter Mechirah Prerequisites - Yevul nochri - Shemittah is d'rabannan - Desperate situation/dochak Buy the book at www.kashrushalacha.com
- Succos After Shemittah (Shemittah #24 - End of Shemittah B)
Rabbi Dovid Cohen
Succos after shemittah - Aravos - Hadassim - Esrog - Lulav - Bamboo for s'chach Buy the book at www.kashrushalacha.com .
- Sous Vide (Kosher Anthology 50)
Rabbi Dovid Cohen
Sous Vide: How it works; Kashering; Shabbos; Shehiyah (raw, garuf v'katum, passably edible); Chazarah (flavor transfer, no barrier, cooking vs. heating). See seforim by Rabbi Cohen at www.kashrushalacha.com
- Guests Who Eat Pas Paltar (Pas Yisroel #14 - Shulchan Aruch 112:13-14)
Rabbi Dovid Cohen
Guests who eat pas paltar Bitul B'rov Avidah lit'amah & ma'amid D'mai and Pas/bishul Akum Kitnios Buy the book at www.kashrushalacha.com
- Raisins (Halachos of Insects #5 - Shulchan Aruch 84:4)
Rabbi Dovid Cohen
Raisins Insect eggs Buy the book at www.kashrushalacha.com
- Coatings (Q&A 72)
Rabbi Dovid Cohen
Coatings See seforim by Rabbi Cohen at www.kashrushalacha.com
- Shavers (Kosher Anthology 53)
Rabbi Dovid Cohen
Electric Shavers: Basic halachos; Razors, scissors, and misprayim k'ein ta'ar; Close shave; On the skin; Lift and cut; Sharpness. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Rov Tashmisho With Hetairah Balah (Kashering #14 - Shulchan Aruch 451:6)
Rabbi Dovid Cohen
Rov Tashmisho with hetairah balah Impossible to kasher based on miut tashmisho Ovens
- Logos (Q&A 28)
Rabbi Dovid Cohen
Logos See seforim by Rabbi Cohen at www.kashrushalacha.com
- Size of Forbidden Insects [Part 3 - Indirect Proofs] (Halachos of Insects #13 - Shulchan Aruch 84:6)
Rabbi Dovid Cohen
Size of forbidden insects (part 3)-Indirect proofs) Lo nitna torah l'malachai hashareis Further details on the lenient opinion Summary
- Beer & Sake [Alcoholic Beverages #5 - Shulchan Aruch 114:1]
Rabbi Dovid Cohen
Beer Bishul akum Eretz Yisroel Yeast Ingredients Isinglass Equipment Sake Definitions Ingredients Equipment Bishul akum (liquid, steam, specialized equipment, oleh al shulchan melachim) Buy the book at www.kashrushalacha.com
- Flour From Different Years [Part 1] (Hafrashas Challah #9 - Shulchan Aruch 324:8)
Rabbi Dovid Cohen
Flour from different years (Part 1) Issue for the tevel matzah system In Chutz La'aretz
- Inedibles (Q&A 85)
Rabbi Dovid Cohen
Inedibles See seforim by Rabbi Cohen at www.kashrushalacha.com
- Libun Gamur (Kashering #11 - Shulchan Aruch 451:4)
Rabbi Dovid Cohen
Libun Gamur Libun Kal as Libun [Partial recording]
- Cigtrus and Air Up (Bitul and Blios #58 - Shulchan Aruch YD 108:5)
Rabbi Dovid Cohen
Cigtrus and Air Up Water Bottle: Vapors; Cigtrus; Suitability for hashgachah; Air up. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Fatty Acids (Q&A 46)
Rabbi Dovid Cohen
Fatty Acids See seforim by Rabbi Cohen at www.kashrushalacha.com
- Criteria to Require Libun Gamur (Kashering #9 - Shulchan Aruch 451:4)
Rabbi Dovid Cohen
Criteria to require libun gamur
- Berachos (Q&A 41)
Rabbi Dovid Cohen
Berachos See seforim by Rabbi Cohen at www.kashrushalacha.com
- Sampling Instead of Checking [Part 1] (Halachos of Insects #16 - Shulchan Aruch 84:8)
Rabbi Dovid Cohen
Checking Methods Sampling instead of checking (part 1) Examples Rav Shlomo Kluger
- Yoshon (Hashgachah Practicum #22 - Baked Goods B)
Rabbi Dovid Cohen
Yoshon: Basics; Five grains; Equipment; Guide to Chodosh; 80/20 rule. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Kashering The Kitchen for Pesach (Pesach #39)
Rabbi Dovid Cohen
Kashering the Kitchen for Pesach Items which cannot be kashered (cracks, hard to clean, cheress, plastic, glass, libun) Preparing for kashering Small Utensils Pots Sink and Counter Microwave oven Oven and Stovetop Watch the video here
- Kedushas Shevi'is (Hashgachah Practicum #13 - Shemittah C)
Rabbi Dovid Cohen
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 Er
- Mechalyah Leh Lishvach [Part 1] (Bitul and Blios #22 - Shulchan Aruch 96:1-3)
Rabbi Dovid Cohen
Mechalyah Leh Lishvach [Part 1]: How it operates; Halacha; Beis Meir; Vinegar. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Beryah (Bitul and Blios #35 - Shulchan Aruch YD 100:1)
Rabbi Dovid Cohen
Beryah: Malkos; Four criteria (living, אסור מתחילת ברייתו, אם יחלק אין שמו עליו, complete); Other details; Berachos. See seforim by Rabbi Cohen at www.kashrushalacha.com
- Aino Ben Yomo (Kashering #39 - Shulchan Aruch 452:2)
Rabbi Dovid Cohen
Must be aino ben yomo Kashering after stam yayin
- Touching, Pouring, and Nitzuk [Part 2] (Alcoholic Beverages #41 - 123:21-22)
Rabbi Dovid Cohen
Touching, Pouring, and Nitzuk (Part 2) Buy the book at www.kashrushalacha.com
- The Sheep Head and the Skirt (Kosher Classes #47)
Rabbi Dovid Cohen
The Sheep Head and the Skirt Teraifah Meningeal worm Davar shebiminyan Chatichah hareuyah lehiskabed