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The Torah Learning Library of Yeshivat Chovevei Torah

Category: Food & Kashrut

Midnight Approaches and I haven’t Eaten the Afikomen

This teshuvah is the fifth in a new series of teshuvot related to the yamim tovim. Each teshuvah is introduced with a small biography of the author, and teshuvot are chosen to reflect a diverse range of halakhic approaches featuring pre-modern and modern poskim from different geographical areas.…

Meat and Milk Mix-Ups

by Rabbi Dov Linzer
Posted on February 8, 2018

Sally added tomato sauce to a milkhig soup, and then discovered that the tomato sauce did not have a hekhsher and contained meat! She called the company and found out that the meat content was approximately 5%. She knows that she has to kasher her pot, but she wants to know if she has to throw out the soup or can she give it to her doorman?…

Playing God: The Theology of Genetic Engineering

by Rabbi Haggai Resnikoff
Posted on May 12, 2017

  How do the Torah and rabbinic sources view the idea of genetic engineering, specifically as it relates to plants? The following sources are meant to prompt a discussion regarding this question. 1. VaYikra 19:19 אֶֽת־חֻקֹּתַי֮ תִּשְׁמֹרוּ֒ בְּהֶמְתְּךָ֙ לֹא־תַרְבִּ֣יעַ כִּלְאַ֔יִם שָׂדְךָ֖ לֹא־תִזְרַ֣ע כִּלְאָ֑יִם וּבֶ֤גֶד כִּלְאַ֙יִם֙ שַֽׁעַטְנֵ֔ז לֹ֥א יַעֲלֶ֖ה עָלֶֽיךָ׃ You shall observe My laws.…

Eating the Placenta: A Halakhic Option?

Further on Waiting Times After Eating Parmesan Pizza

Meat After Parmesan On Pizza

Composting Within An Eruv

Buying Non-Kosher Food

Snow for Tvillat Keilim

Roast Marinated in Wine

man sheep lamb korban pesach

Mesechet Menachot: The Taxonomy of the Gemara’s Grains

by Rabbi Dov Linzer
Posted on May 20, 2011

The Mishna of Menachot 70a lists the five species of grain.  These species are of central importance in many halakhot.  Only bread made from these species of grains is considered bread, and gets the brakha of hamotzi.  Only matzah made from these grains is considered matzah, and can be used on the seder night.  …

Hilkhot Kashrut: Even Separated Foods Can be Treif

by Rabbi Dov Linzer
Posted on March 25, 2011

Previously we saw that when a meat and milk are cooked together, they may remain forbidden even after they are separated.  This depends on whether we understand the prohibition of meat and milk to be based on the fact that they were cooked together, which does not change even after they are separated, or based on the fact that there is a mixture of tastes, which would be negated once they are separated.   Now, these above reasons are relevant to basar bi’chalav, and this is the only application of this concept in the Gemara. …