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Foods that might need bishul Yisroel:
Not cooked;
Oleh al shulchan melachim;
Edible raw.
See seforim by Rabbi Cohen at www.kashrushalacha.com
Kashrus Rulings of Rav Feivel Cohen (first yahrtzeit):
Copepods in New York City Water (visible but not recognizable, spawned in the water system);
Mechiras chametz;
Chametz medicine for a choleh;
Vinegar of unknown Pesach status;
Spray dryer kashering;
Kashering plastic;
Keurig machine tevillah;
Stam yayin for a mumar
See seforim by Rabbi Cohen at www.kashrushalacha.com
Introduction to Basar B'chalav:
Separating (waiting, hard cheese, dairy bread);
Common scenarios;
Concepts (ta'am k'ikar, kli rishon, zei'ah, ain habaluah yotzeh, nat bar nat, charif);
B'dieved concepts (bitul b'shishim, aino ben yomo);
Benefit and Cooking.
See seforim by Rabbi Cohen at www.kashrushalacha.com
High School Kosher Q&A (4) - Shabbos, Brachos:
Shabbos:
Taking cholent on Friday night;
Instant coffee, tea, and hot cocoa;
Opening refrigerator and oven;
Brachos:
Wraps;
Cholent;
Granola bars.
See seforim by Rabbi Cohen at www.kashrushalacha.com
High School Kosher Q&A - Part 3 - Chumros:
Yoshon - why, trusting people;
Chalav Yisroel - why, powdered milk;
Pas yisroel;
Bird breeds.
See seforim by Rabbi Cohen at www.kashrushalacha.com
High School Q&A [Part 2];
Hot dogs in stadium;
Vaping;
Toothpaste and mouthwash;
Beverages;
Shellac
See seforim by Rabbi Cohen at www.kashrushalacha.com
High School Q&A [Part 1]:
Meat and milk;
Saltshaker;
D and DE;
Hard cheese;
Pareve in a meat pot;
Dairy spoon in meat drawer;
Shechitos;
Beverages
See seforim by Rabbi Cohen at www.kashrushalacha.com
Olives:
Color;
Storage;
Saltwater brine curing (green olives, Kalamata olives);
Caustic soda (lye) processing (black oxidized ripe olives).
See seforim by Rabbi Cohen at www.kashrushalacha.com
Kashrus Rulings from Rav Belsky;
Irreligious Jews and pas Yisroel;
Miut hamatzui;
Tevillas keilim for certified restaurants;
Shemittah positions;
Raisin juice;
Maintaining tevel status;
Checking for tzomas hagidin;
Hindquarter nikkur;
Farberware pots;
Milk from hundreds of cows;
Emulsifier as a ma’amid.
See seforim by Rabbi Cohen at www.kashrushalacha.com
Milk and Cheese:
Dairy industry overview;
Fat (cream, butter, ice cream);
Protein (acid vs. rennet, casein and cheese, whey, cottage cheese, yogurt, sour cream);
Sugar - Lactose (mei chalav);
Water and minor components;
Creating chalav Yisroel;
Yotzeh v'nichnas;
Video cameras;
Creating gevinas Yisroel.
See seforim by Rabbi Cohen at www.kashrushalacha.com
Sukkah Building:
Location;
Walls;
S'chach.
See seforim by Rabbi Cohen at www.kashrushalacha.com
Coffee on the road:
Starbucks;
Rest stops;
Convenience stores;
Hotel room;
Office.
See seforim by Rabbi Cohen at www.kashrushalacha.com
Chalav Yisroel & Gevinas Yisroel:
Changes in chalav stam;
DA Cows (displaced abomasum);
Chalav stam infant formula;
Mashgiach temidis for chalav Yisroel;
Jewish ownership of rennet for gevinas Yisroel;
Chalav stam kosher hard cheese;
Butter from chalav stam;
See seforim by Rabbi Cohen at www.kashrushalacha.com
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
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
Shemittah is starting:
Preparations;
Manufacturing companies;
Vegetables - timing, sefichin;
Options;
Fruits - kedushas shevi'is, timing;
Buy the book at www.kashrushalacha.com
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
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
Yoshon – You Can Do It
The Sheep Head and the Skirt
Teraifah
Meningeal worm
Davar shebiminyan
Chatichah hareuyah lehiskabed