Kashrus Halacha

Foods that might need bishul Yisroel:

• Not cooked;
• Oleh al shulchan melachim;
• Edible raw.

Chametz After Pesach:

• Basic halachos;
• Which foods;
• Storekeepers;
• Manufacturers;
• Distributors.

Pesach Miscellany 5784:

• Hafrashas challah (chaburah matzah baking, spelt machine matzah);
• Flower food;
• Steamers;
• Biodegradable bags;
• Wheat straw floss picks.

Gluten Free on Pesach

Kashering a Home Kitchen:

• Restrictions;
• Safety;
• Silverware;
• Pots;
• Countertops;
• Sinks;
• Steamers;
• Oven and Warming drawer;
• Stovetop;
• Microwave.

Zeroah Lechayayim Keivah

Matzah:

• Avoid chametz;
• 18 minutes;
• Avoid heat;
• Maximize esek;
• Machine matzah;
• Lishmah;
• How and what;
• Who;
• Devices.

Shemittah Wine

Kitnios:

• Which foods;
• Halachos;
• Derivatives;
• Other minhagim.

Wine

Dairy Bread:

• Basics;
• Differences of opinion (kashering, bitul b'shshim);
• Which foods.

Induction Stovetop

Davar Gush:

• Halachos;
• What;
• Mixture;
• Bishul;
• Kashering.

Pet Food

Petrochemicals:

• Introduction (hydrocarbons, nomenclature);
• Primary chemicals (alkanes, alkenes/olefins, aromatics);
• Finished products;
• Renewables.

Bread

Kashering of Cheese Equipment:

• Cheese tanks;
• Brining;
• Cheese wires;
• Shrink tunnel.

Dishwasher

Kli Rishon and Kli Sheini:

• Basic halacha;
• Exceptions;
• Defanos Mekariros;
• Irui kli rishon;
• Tunnel Pasteurizer.

Israeli Produce

Maris Ayin:

• Meat and milk - pareve dairy or meat, cultured meat;
• Non-kosher and kosher - eggs, restaurants;
• Other issues - Pesach, Shabbos and Yom Tov, tevillas keilim, hafrashas challah.

Fatty Acids

Yad Soledes Bo:

• Heat vs. Temperature;
• Shiurim from Poskim - low end, high end.

Kovush:

• Standard kovush - liquid, movement, time, depth;
• Kashering;
• Fast kovush - tzir, charif.

Zoo

Fruits and Vegetables:

• Wax coating;
• Frozen;
• Pesach;
• Canned;
• Dried;
• Peeled.

Frozen Vegetables

Wine and Alcohol:

• Wine (stam yayin, mevushal);
• Secondary halachos (bracha, from concentrate, Pesach seder, music);
• Alcoholic beverages (ingredients, equipment, aging, chametz she'avar alav haPesach).

Fish and Meat

Bugs are Nosein Ta'am Lifgam:

• People are disgusted by them;
• Cricket powder;
• Beryah.

Microwave

Devices for creating bishul Yisroel:

• Light bulb and glow plug;
• Boiler;
• Shain device.

Berachos

Coatings:

• Pot and pans (residue, always aino ben yomo, asui l'hishtamesh b'shefah, ain kavonoso levatel);
• Pre-seasoned cast iron pans;
• Styrofoam cups;
• Fruits and vegetables.

Restaurant Mashgiach

Tunnel Pasteurizer and Cooling Tunnel:

• Introduction;
• The equipment;
• Transfer of Ta'am and Kashering;
• Kli rishon vs. kli sheini;
• Additional factors.

Lactose

Stam keilim ainum b'nei yoman (סתם כלים אינם בני יומן):

• Basic halacha;
• Kashering;
• Pesach;
• Factories.

Color

Aino Ben Yomo:

• General Halacha;
• Calculations;
• Not effective b'dieved;
• Rely on it l'chatchilah (hag'alah, 12 months).

Lab Grown Meat

Israeli Produce:

• Borders;
• Arlah;
• Terumah and ma'aser;
• Shemittah;
• Hashgachah.

Vinegar

Wraps

Not lishvach and not lifgam (לא לשבח ולא לפגם):

• Bee legs;
• No ta'am at all (אין בו טעם כלל);
• Applications.

Refrigerators and ovens:

• Opening the door on Shabbos and Yom Tov

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

Pas Yisroel

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.

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