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Yeast is not Chametz. Chametz is defined as the five grains rising. Yeast, on the other hand, is made from potato: In general, yeasts are grown in the laboratory on solid growth media or in liquid broths. Common media used for the cultivation of yeasts include potato dextrose agar or potato dextrose broth, Wallerstein Laboratories nutrient agar, yeast ...


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I think the point the Chochmas Adam is making is slightly different than you understood it. He is saying fruits that are not cured in brine do not have the law of duchka applicable to them, however being that they are juicy the grease from the knife sticks to the fruit, requiring the layer that contacted the knife to be disposed of. This is seemingly only ...


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The only juicy fruit that is charif is a lemon, see Shulchan Aruch Yoreh Deah siman 96 siff 4 & Shach about lemonade from nonjews. There is also in the same siman siff 2 Peiros Chamutzim, fruits preserved in vinegar, like borscht. Perhaps that is what you are reffering to? In general a davar charif loses that status when mixed with other ingredients, ...


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The Gemara says in Shabbos (19a) ת"ר אין מפליגין בספינה פחות מג' ימים קודם לשבת The rabbis taught: one may not travel by boat less than three days before Shabbos. ( translation mine ) The Rishonim discuss why this is not allowed. The Ba'al HaMaor on that Gemara (7a in דפי הרי"ף*) writes that the reason is because he is putting himself into a ...


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As others have pointed out, it doesn't have to be cooked at all. Another example of this is soaking raw muscle meat in vinegar - this is another method of kashering. So if you ever get the urge for kosher carpaccio... Although it seems like it's not such a straight forward process... Rambam discusses this although I don't have the reference handy at the ...


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For 2014 (I don't know about earlier), Manischewitz began a line of products called "Kitni" that were OU Kitniyot; one of them was a peanut butter. I contacted the OU and and they said the only ingredient in that product offensive to Ashkenazim is the peanuts. (So this is kind of "kosher for Passover for Sephardim as well as those Ashkenazim whose custom ...


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That's the symbol of the Vaad Hoeir of St. Louis.


5

Practically speaking, no food is ever placed directly on the oven rack save for bread to be warmed or toasted. As such one can rely on Rabbi Moshe Feinstein who says in his Igros Moshe Yoreh Deah 3 siman 24 that toasters don't need tevila being that you are not cooking or preparing the bread, but rather just drying it. And while its true that this drying is ...


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I am going to take the liberty of assuming rags and oven mitts are not any different than table cloths. I asked the Star-K about kashering table cloths for Pesach, and was told that a table cloth can become "treif" and becomes pareve by putting it through the laundry machine. I imagine the same would apply to any cloth or similar material.


3

Raw, unsalted meat is completely kosher. Just rinse and eat. Shulchan Aruch Yoreh Deah siman 67 siff 2. EDIT. The Shach in siman 76 s.k. 2 also point out that unsalted roasted meat even if only rare is also permitted to eat. The point of my original answer was to dispel any misconceptions about blood, but this edit will answer the assumed question more ...



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