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Koshering a Kitchen: Difference between revisions

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#A frying pan that became non-kosher can only be koshered with libun chamur.<ref>The Rosh (Pesachim Kol Shaah 7) records a dispute between the Ravyah and his grandfather the Raavan whether a frying pan needs libun. The Raavan held it needed libun and is comparable to baking but the Ravyah held it needed hagalah and is comparabale to cooking. The Rosh comments that he agrees with the Ravyah since the oil serves to intervene between the food and the pot. The Shulchan Aruch YD 121:4 is strict like the Raavan.</ref>
#A frying pan that became non-kosher can only be koshered with libun chamur.<ref>The Rosh (Pesachim Kol Shaah 7) records a dispute between the Ravyah and his grandfather the Raavan whether a frying pan needs libun. The Raavan held it needed libun and is comparable to baking but the Ravyah held it needed hagalah and is comparabale to cooking. The Rosh comments that he agrees with the Ravyah since the oil serves to intervene between the food and the pot. The Shulchan Aruch YD 121:4 is strict like the Raavan.</ref>
#A frying pan that was used for chametz can be koshered for pesach with libun kal or hagalah.<ref>Shulchan Aruch YD 121:4 writes that even though for other isurim a frying pan needs libun chamur, for koshering from chametz to pesach it only needs hagalah. The Biur Hagra YD 121:9 explains that the Shulchan Aruch really holds like the Rosh that a frying pan only needs hagalah, however in general we're strict to require libun chamur. Yet, for pesach since anyway some hold that chametz is hetera baala and certainly hagalah is sufficient for this case we can rely upon that opinion. Yabia Omer YD 10:58:18 and Yalkut Yosef YD 121:3 agree. </ref> See [[Kashering_the_Kitchen_for_Pesach#Pans]] for Ashkenazic minhag and fuller discussion.
#A frying pan that was used for chametz can be koshered for pesach with libun kal or hagalah.<ref>Shulchan Aruch YD 121:4 writes that even though for other isurim a frying pan needs libun chamur, for koshering from chametz to pesach it only needs hagalah. The Biur Hagra YD 121:9 explains that the Shulchan Aruch really holds like the Rosh that a frying pan only needs hagalah, however in general we're strict to require libun chamur. Yet, for pesach since anyway some hold that chametz is hetera baala and certainly hagalah is sufficient for this case we can rely upon that opinion. Yabia Omer YD 10:58:18 and Yalkut Yosef YD 121:3 agree. </ref> See [[Kashering_the_Kitchen_for_Pesach#Pans]] for Ashkenazic minhag and fuller discussion.
# A frying pan that is milk and one wants to make it parve or the opposite, one can kosher it with hagalah or libun kal.<ref>The Shulchan Aruch YD 121:4 writes that one can kosher a frying pan from meat to milk or parve with hagalah since absorbing meat or milk are permitted and since it is hetera baala (a permitted absorption) it can be removed with hagalah (Avoda Zara 75a). The Shach YD 121:8 quotes the Rama Mpano 96 who says that a frying pan used for non-kosher needs libun since the non-kosher came in contact with the frying pan itself unlike chametz which is cooked in the frying pan with a non-chametz liquid such as water or oil. The Shach concludes that the Rama Mpano implies that if one used a frying pan for milk or meat it would need libun to be koshered. However, Rabbi Akiva Eiger 121:1 asks that either way milk and meat separately are permitted and as such should never require libun. Chelkat Binyamin 121:4 s.v. linyan explains that in fact the Rama Mpano never said that a meat or milk pan needed libun. He only meant a frying pan that was used for meat and milk needs libun. He adds that this could also be the intent of the Shach.</ref> However, if it is used for meat and milk it needs to be koshered with libun.<ref>Shulchan Aruch YD 121:4, Shach 121:8</ref> If it is used for meat and 24 hours later is used for milk it can be koshered with hagalah or libun kal. The opposite is true of the opposite (unless it is used for a sharp food - [[Dvar Charif]]).<ref>Chatom Sofer YD 110 cited by Pitchei Teshuva 121:7</ref>


==Not Switching Between Meat and Milk==
==Not Switching Between Meat and Milk==