Hi,
Sources prohibit use of mechanical blades on Shabbat to chop up food that comes from the ground, due to the prohibition against grinding. However, this will not apply to an egg slicer, because these blades only slice. Also, one may argue that the egg is not part of the class of foods that "grow from the ground."
(Rivivot Ephraim 1:248)
Have a great day,
Mordechai
Showing posts with label Shabbat: Tochein (Grinding). Show all posts
Showing posts with label Shabbat: Tochein (Grinding). Show all posts
Wednesday, March 11, 2015
Wednesday, August 15, 2012
Slicing egg on Shabbat
Hi,
The prohibition against grinding food on Shabbat applies to cutting food into tiny pieces, but not to cutting food into thin slices. Thus, one may slice egg or vegetables into thin slivers on Shabbat.
(Rav Moshe Feinstein, Igrot Moshe Orach Chaim 4:74:Tochein 3)
Have a great day,
Mordechai
The prohibition against grinding food on Shabbat applies to cutting food into tiny pieces, but not to cutting food into thin slices. Thus, one may slice egg or vegetables into thin slivers on Shabbat.
(Rav Moshe Feinstein, Igrot Moshe Orach Chaim 4:74:Tochein 3)
Have a great day,
Mordechai
Tuesday, August 14, 2012
Mashing banana on Shabbat
Hi,
One may not grind items on Shabbat, but crushing a banana is fine; the banana remains one mass, and is not turned into powder.
However: Because there is a prominent view which does consider this an act of grinding, one should use an abnormal method, such as by using the handle of an implement, if possible.
(Rav Moshe Feinstein, Igrot Moshe Orach Chaim 4:74: Tochein 2)
Have a great day,
Mordechai
One may not grind items on Shabbat, but crushing a banana is fine; the banana remains one mass, and is not turned into powder.
However: Because there is a prominent view which does consider this an act of grinding, one should use an abnormal method, such as by using the handle of an implement, if possible.
(Rav Moshe Feinstein, Igrot Moshe Orach Chaim 4:74: Tochein 2)
Have a great day,
Mordechai
Tuesday, May 22, 2012
Making guacamole on Shabbos
Hi,
May I prepare guacamole on Shabbos, mashing avocado and mixing it with lime juice and spices?
One of the forbidden melachos of Shabbos is tochein, which involves breaking a solid material into small particles. There is some debate as to whether this occurs when mashing soft entities which will stick together afterward. Therefore, one should do this right before eating the food, since many authorities rule that tochein not relevant when one eats the food soon afterward. Ideally, one should mash the avocado with an unusual implement, such as the handle of a fork.
One may squeeze lime juice directly into the avocado without concern for the melachah of sechitah (squeezing liquid from certain solids). One may then mix the juice into the mashed avocado without concern for the melachah of lishah (sticking small items together, to form a dough-like entity) ; the liquid does not cause the particles of avocado to stick together. Even were the spices to stick together, this would not constitute lishah.
(Mishneh Berurah 320:22, 321:45; Chazon Ish Orach Chaim 57, 58:9; Igrot Moshe Orach Chaim 4:74:Tochein 2; Shemirat Shabbat k'Hilchatah 8:19-20, 8:footnote 81)
Have a great day,
Mordechai
May I prepare guacamole on Shabbos, mashing avocado and mixing it with lime juice and spices?
One of the forbidden melachos of Shabbos is tochein, which involves breaking a solid material into small particles. There is some debate as to whether this occurs when mashing soft entities which will stick together afterward. Therefore, one should do this right before eating the food, since many authorities rule that tochein not relevant when one eats the food soon afterward. Ideally, one should mash the avocado with an unusual implement, such as the handle of a fork.
One may squeeze lime juice directly into the avocado without concern for the melachah of sechitah (squeezing liquid from certain solids). One may then mix the juice into the mashed avocado without concern for the melachah of lishah (sticking small items together, to form a dough-like entity) ; the liquid does not cause the particles of avocado to stick together. Even were the spices to stick together, this would not constitute lishah.
(Mishneh Berurah 320:22, 321:45; Chazon Ish Orach Chaim 57, 58:9; Igrot Moshe Orach Chaim 4:74:Tochein 2; Shemirat Shabbat k'Hilchatah 8:19-20, 8:footnote 81)
Have a great day,
Mordechai
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