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

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===Covered fire (Blech)===
===Covered fire (Blech)===
# On [[Shabbat]] some poskim permit one to cover the fire with a metal tray if the flame isn’t strong enough to make the tray red-hot. <Ref> Sh”t Zera Emet 3:26 permits one to put a metal tray (with small holes) on a fire on [[Shabbat]] and then do Hachzara based on S”A 318:8 where he brings the dispute whether one can do Hachzara on an empty over the fire and rules like the lenient opinion. Chazon Ish 37:11 argues that actually placing the metal sheet on the fire is the forbidden act of [[Mavir]] based on Rambam ([[Shabbat]] 12:1, 9:6) who says that one who heats metal to mold it violates [[Mavir]]. Even though S”A 253:3 writes that on [[Shabbat]] day one can put a empty pot on a fire (and then return a pot that was on the fire right before), Chazon Ish explains that S”A is talking about a earthenware pot and not metal. However Nishmat Adam 20:1, Kesot HaShulchan (134 pg 42), Sh”t Shevet Halevi 1:91, Sh”t She’ilat Shaul 29, Chazon Ovadyah ([[Shabbat]] 1 pg 55), and Sh”t Tefilah LeMoshe 1:59 (pg 647) argue that in our case the tray won’t become hot as a coal or hot enough to be reshaped and so it should be permitted. Shemirat Shabbat KeHilchata 1:38 permits covering the fire on Shabbat as long as the fire isn’t strong enough to make the tray red-hot. </ref>
# Many poskim permit covering the fire on [[Shabbat]] with a metal tray if the flame isn’t strong enough to make the tray red-hot. <Ref> Sh”t Zera Emet 3:26 permits one to put a metal tray (with small holes) on a fire on [[Shabbat]] and then do Hachzara based on S”A 318:8 where he brings the dispute whether one can do Hachzara on an empty over the fire and rules like the lenient opinion. Chazon Ish 37:11 argues that actually placing the metal sheet on the fire is the forbidden act of [[Mavir]] based on Rambam ([[Shabbat]] 12:1, 9:6) who says that one who heats metal to mold it violates [[Mavir]]. Even though S”A 253:3 writes that on [[Shabbat]] day one can put a empty pot on a fire (and then return a pot that was on the fire right before), Chazon Ish explains that S”A is talking about a earthenware pot and not metal. However Nishmat Adam 20:1, Kesot HaShulchan (134 pg 42), Sh”t Shevet Halevi 1:91, Sh”t She’ilat Shaul 29, Chazon Ovadyah ([[Shabbat]] 1 pg 55), and Sh”t Tefilah LeMoshe 1:59 (pg 647) argue that in our case the tray won’t become hot as a coal or hot enough to be reshaped and so it should be permitted. Shemirat Shabbat KeHilchata 1:23 and 1:38 permits covering the fire on Shabbat as long as the fire isn’t strong enough to make the tray red-hot. </ref>
'''According to Ashkenazim'''
'''According to Ashkenazim'''
# It’s forbidden to place a pot of fully cooked food on a blech (a metal tray covering the fire) even if one’s intent is just to remove it’s chill. <Ref> Shemirat Shabbat KeHilchata 1:25, Sh”t Igrot Moshe 1:94, Shabbos Kitchen (pg 44), 39 Melachos (vol 2 pg 564) </ref> However, many permit placing fully cooked food on a blech on the area where it doesn’t reach 113 degrees. <Ref> Shabbos Kitchen pg 44, Igrot Moshe 1:94. However, Az Nidabru 8 forbids even in an area where the blech will not reach Yad Solet Bo. </ref>  
# It’s forbidden to place a pot of fully cooked food on a blech (a metal tray covering the fire) even if one’s intent is just to remove it’s chill. <Ref> Shemirat Shabbat KeHilchata 1:25, Sh”t Igrot Moshe 1:94, Shabbos Kitchen (pg 44), 39 Melachos (vol 2 pg 564) </ref> However, many permit placing fully cooked food on a blech on the area where it doesn’t reach 113 degrees. <Ref> Shabbos Kitchen pg 44, Igrot Moshe 1:94. However, Az Nidabru 8 forbids even in an area where the blech will not reach Yad Solet Bo. </ref>  
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* [http://www.yutorah.org/lectures/lecture.cfm/761944/Rabbi_Dovid_Miller/Shabbat_42_-_Bishul_11_-_hachzara_on_blechs_and_plattas Rabbi Dovid Miller] in explaining the topic emphasizes that Rav Soloveitchik only permitted reheating fully cooked solid food but not liquids or soup. </ref>
* [http://www.yutorah.org/lectures/lecture.cfm/761944/Rabbi_Dovid_Miller/Shabbat_42_-_Bishul_11_-_hachzara_on_blechs_and_plattas Rabbi Dovid Miller] in explaining the topic emphasizes that Rav Soloveitchik only permitted reheating fully cooked solid food but not liquids or soup. </ref>
==Questions==
==Questions==
* May one return cold fully cooked food to a blech on Shabbos? See the [[#Covered fire (Blech)]] section above.
* May one return cold fully cooked food to a blech on Shabbos? See the [[#Covered fire (Blech)]] section above.
* May one return cold fully cooked food to an electric hotplate on Shabbos? See the [[#Electric Hotplates]] section above.
* May one return cold fully cooked food to an electric hotplate on Shabbos? See the [[#Electric Hotplates]] section above.
* May one return cold fully cooked food to an Kedierah Blech on Shabbos? See the [[#Kedierah Blech]] section above.
* May one return cold fully cooked food to an Kedierah Blech on Shabbos? See the [[#Kedierah Blech]] section above.
==References==
==References==
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