Halacha Tag: libun

How To Do Libun

Ovens A conventional oven may be koshered for Pesach with libun kal. Since food does not usually touch the walls of the oven, and food on the racks are in pans, the oven itself does not have any real beliot of chametz. Since food sometimes splatters or drips, it is still proper to kosher the […]

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Types of Materials

There are a few categories of material that have their own distinct halachot when koshering utensils. Metal, Stone, Bone, and Wood Metal, stone, bone, and wood can all be koshered (שו”ע או”ח תנא:ח). Cheres – Pottery The Torah (ויקרא ו:כא) writes וכלי חרס אשר תבושל בו ישבר – pottery which the Bnei Yisrael captured in […]

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Frying Pans

There is a dispute amongst the Rishonim regarding frying pans. The Rashba (תורת הבית, בית ד שער ד) writes that since many times when using a frying pan the oil burns out or the pan has very little oil in it, it is as if the pan was used for roasting and would require libun […]

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Chametz

There is a dispute among the poskim if the beliot of chametz have the status of forbidden food or permitted food when a utensil is being koshered for use on Pesach. The chametz is most certainly forbidden on Pesach, however, since it is not yet Pesach, how do we treat the chametz? Is it permitted […]

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Heter vs Issur

If the beliot in the utensil were from permitted foods, like kosher meat, then hagala is always enough to remove the beliot. This works even by beliot that were absorbed through direct heat because the beliot are not yet forbidden, so one merely needs to weaken them enough that they cannot become prohibited later on. […]

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Libun

Libun means heating the utensil to the temperature that, if it were made of iron, the utensil would release sparks (שו”ע או”ח תנא:ד, ע”ע לבושי עוז פח:ו). This is usually referred to as libun gamur. Libun needs to be this hot even if the beliot were not absorbed at such high temperatures, because libun works […]

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Introduction to Koshering Utensils

There are different materials that a utensil can be made out of. Some materials can absorb taste – beliot, and some cannot. If a utensil has beliot that one wishes to remove, the utensil needs to be koshered. The Torah writes (במדבר לא:כב-כג): “אך את הזהב ואת הכסף את הנחשת את הברזל את הבדיל ואת […]

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