Inyan: Yoreh Deah Siman 87

Pots and Pans

When one cooks meat in a dairy pot (or vice versa), if the pot has been used in the past 24 hours with hot dairy, the meat that was cooked in it is biblically prohibited, and the pot needs to be koshered. If the pot was not used in the past 24 hours, it is […]

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What is Cooking

In regard to the biblical prohibition of mixing meat and dairy there is a dispute whether it becomes forbidden once it is a third cooked (מאכל בן דרוסאי) or even if it was just mixed while hot for an instant (hot means more than yad soledet bo – about 114 degrees Fahrenheit). The reason to […]

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Heker (Symbols) to Permit Marat Ayin

A heker is something which makes something clear to people who see it. In this halacha, a heker makes it clear to the observer that the food they see cooking or being eaten is not a forbidden mixture of meat and dairy. If one wishes to cook meat in a dairy substitute, or vice versa, […]

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Marat Ayin – Suspicious Activity

Our Sages forbade cooking or eating anything that looks like it might be a mixture of meat and dairy, even if it really is not. For example, one would not be allowed to eat a fake cheeseburger, or cook meat in soy milk. The reason behind this prohibition is referred to as marat ayin. It […]

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