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Permissible ways to heat up food on Shabbat: Difference between revisions

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* The Mishnah ([[Shabbat]] 36b) records Beit Hillel’s opinion that one may not return a pot to a Kirah (type of stove meant to hold two pots) on [[Shabbat]] if the Kirah is heated with pressed sesame or wood unless the coals were covered with ashes or removed.  
* The Mishnah ([[Shabbat]] 36b) records Beit Hillel’s opinion that one may not return a pot to a Kirah (type of stove meant to hold two pots) on [[Shabbat]] if the Kirah is heated with pressed sesame or wood unless the coals were covered with ashes or removed.  
* Rashi [[Shabbat]] 36b "lo machzirim" says its "mechzay kimivashel", meaning, that the reason Chazal prohibited placing fully cooked food on the fire on [[Shabbat]] is that it looks like one is [[cooking]] on [[Shabbat]]. Baal HaMoar 16b, Rashba (38b s.v. MeKlal) in name of some geonim, Ritva (40b s.v. VeAskina), and Ran (17b s.v. Bei Rav Ashi) write that the prohibition of [[Hachzara]] is a gezerah of Chazal because it looks like [[cooking]] when one heats up cold food on [[Shabbat]]. Mishna Brurah 253:55 quotes this Ran.
* Rashi [[Shabbat]] 36b "lo machzirim" says its "mechzay kimivashel", meaning, that the reason Chazal prohibited placing fully cooked food on the fire on [[Shabbat]] is that it looks like one is [[cooking]] on [[Shabbat]]. Baal HaMoar 16b, Rashba (38b s.v. MeKlal) in name of some geonim, Ritva (40b s.v. VeAskina), and Ran (17b s.v. Bei Rav Ashi) write that the prohibition of [[Hachzara]] is a gezerah of Chazal because it looks like [[cooking]] when one heats up cold food on [[Shabbat]]. Mishna Brurah 253:55 quotes this Ran.
* Rabbeinu Tam Sefer Hayashar 235 adds that Chazal prohibited it lest a person stoke the coals on [[Shabbat]]. Shaar HaTziyun 235:37 quotes this opinion of the Rabbeinu Tam. Rabbi Simon in Hamashbir 3:162 quotes Rav Schachter as holding like the Or Same'ach that the primary reason for hachzara is shema yechateh bgechalim like Rabbenu Tam (Sefer Hayashar 237).
* Rabbeinu Tam Sefer Hayashar 235 adds that Chazal prohibited it lest a person stoke the coals on [[Shabbat]]. Shaar HaTziyun 253:37 quotes this opinion of the Rabbeinu Tam. Rabbi Simon in Hamashbir 3:162 quotes Rav Schachter as holding like the Or Same'ach that the primary reason for hachzara is shema yechateh bgechalim like Rabbenu Tam (Sefer Hayashar 237).
* The Gemara and Rishonim discuss under what conditions may one return food to the fire. Based on the Rama 253:2, Shemirat [[Shabbat]] KeHilchata 1:18 rules that one may return food to a fire on [[Shabbat]] only under the following conditions: 1) the food is fully cooked, 2) it’s still somewhat hot (see the footnotes to [[#The opinion of the Ran]] about which foods need to be somewhat hot), 3) it was removed with intent be to returned, 4) one kept his hand on it, and 5) the fire is covered. For the slightly variant conditions according to Sephardim, see Yalkut Yosef 253:9.</ref>
* The Gemara and Rishonim discuss under what conditions may one return food to the fire. Based on the Rama 253:2, Shemirat [[Shabbat]] KeHilchata 1:18 rules that one may return food to a fire on [[Shabbat]] only under the following conditions: 1) the food is fully cooked, 2) it’s still somewhat hot (see the footnotes to [[#The opinion of the Ran]] about which foods need to be somewhat hot), 3) it was removed with intent be to returned, 4) one kept his hand on it, and 5) the fire is covered. For the slightly variant conditions according to Sephardim, see Yalkut Yosef 253:9.</ref>