Questions tagged [cooking-bishul]

for questions about cooking generally and also about the halachic concept of bishul

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Is it forbidden to boil an animal alive?

Is it forbidden to boil a living animal and then take its meat for consumption? Does the Torah or another source address the concept of boiling living animals?
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1 answer
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Closing an oven door on shabbos

On Shabbos, if an oven contains a pot of fully cooked food, may one open and close the oven door? Two potential issues that I can think of it - 1) similar to the question of opening and closing a ...
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2 answers
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Cooking meat and milk but not benefitting from it

Is it forbidden to cook meat and milk if one wasn't to benefit from it? The situation is being a culinary class in a non-Jewish school - would I not be able to participate in cooking if there was meat ...
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Blech using a griddle

Is it permissible to perform shehiya using a griddle as a blech on Shabbos, where one uses the griddle regularly during the week to cook on - adjusting the flame all the time during its regular use?
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2 votes
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Halachically-compliant Shabbos warmers?

I understand that it halachically permissible on Shabbos to place dry, already cooked food (such as leftovers from the fridge) on a warming tray so that it will get warm. However, there are several ...
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Tradition soup on shabbos

Are you allow to make (just put hot water) a Tradition soup (pre-made soup) on shabbos? Is it considered cooking? And why
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2 answers
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Using Chemical Heat for Food on Shabbos

What do Poskim say regarding using chemical cooking technology on Shabbos where a combination of iron, magnesium and salt with water can heat up food?
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Family traditions regarding niddah

Shavua tov everyone I'm a descendant of the anusim. But I'm still finding out where my maternal lineage could have come from. So which migration. Since my great-grandmother converted to Islam. Meaning ...
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8 votes
1 answer
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What is פנאד"ש?

I know that it is a meat food, but what does it look like? (שולחן ערוך יורה דעה צד, 8) I didn't find any explanations about it from Google.
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Cooking meat on Shabbat using Kinetic energy, or non-conventional ways

Putting all jokes (and Purim Torah) aside, a person successfully demonstrated cooking both steak and chicken using a machine that slaps the meat continuously (video here). Albeit they claimed it ...
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Can a Kli Sheini be built onto a Kli Rishon?

If I want to use use hot water from my coffee urn on Shabbat (as I understand it, the urn is a kli rishon) to make instant coffee, I pour it into a separate cup and pour from there into the cup that I ...
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Putting a raw piece of meat in pot on Erev Shabbos

Orach Chaim Siman 253 Seif 1 talks about in which situation are you allowed to keep food on a fire on shabbos and in the middle of the seif it says, ואם נתן בה חתיכה חיה מותר כאלו היתה כולה חיה דע&...
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Is non-Jewish cleaning help allowed to prepare her own food in a kosher microwave?

Is a non-Jew allowed to prepare her own meals in a kosher kitchen, using kosher products, in the microwave or any plug in electric appliances i.e. waffle maker, panini maker, etc?
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Is a utensil used for chillul Shabbos considered non-kosher?

If a Jew cooks on Shabbos, the Shulchan Aruch OC (318:1) says המבשל בשבת [או שעשה א' משאר מלאכות] [טור] במזיד אסור לו לעולם ולאחרים מותר למ"ש מיד - One who cooks food on Shabbos [or performs any ...
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Can I drive an electric car that has been left on before Yom Tov if food was placed on the batteries before Yom Tov?

DISCLAIMER: I was referring to what I saw on the Chabad article(the first one linked to as "Yom Tov Laws") I am not considering at all Yom Kippur, I meant Yom Tov in terms of the idea of &...
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Should we prevent a chumra in the laws of Shabbos that exceeds the normal understanding?

The halacha is that generally a keli shelishi does not cause bishul. The Chazon Ish says that a keli shelishi (or revii) above yad soledes bo does cook those things that are kalei habishul. A ...
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Warm food on Shabbat day during Mishnaic and Talmudic times

In looking over the laws for keeping food warm over Shabbat, I began to wonder how things practically played out during the times of the Mishna and Talmud. Given that an oven could only be used if the ...
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Can a glass stovetop be used for both meat and milk?

Is it permissible to use a glass stovetop for both meat and milk? Or is it forbidden? A OK article says that one should not use a glass stove top for meat and milk, however rabbikaganoff Is My Stove ...
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-1 votes
1 answer
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Does the torah prohibit the consumption of Raw Meat for everyone?

Backstory I am a Noachide who started to experiment with a raw meat diet, after watching videos such as this: https://www.youtube.com/watch?v=v-cuT7q1dZ4 It has certainly peaked my interest, and now I ...
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Does double wrapping food work for non-kosher food?

I have read several articles stating that one may double wrap food and place it into a non-kosher oven. I haven't read anything regarding the "opposite situation". Lets say one has verified that an ...
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2 votes
2 answers
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What sources discuss whether a pareve dish can be used in the same oven as meat and/or dairy consecutively?

Suppose a pie dish was used only for making fruit pie, and has never contained any dairy or meat. Suppose it spends time cooking inside an oven that also contained chicken and meat. The question is,...
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1 answer
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Keeping the flame going on Shabbat

In the (very) old days, when the only source of heat and cooking fire was the fireplace, how did they keep the fire going for a day on Shabbat without adding wood?
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Intentionally smelling the odor of food cooked by a Jew on Shabbos

Since it is forbidden to benefit from food cooked by a Jew on Shabbos, is the benefit only eating, or is it prohibited to intentionally smell the odor of the food being cooked as well?
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Induction cooktop with blech

I have looked at this question regarding the use of induction cooktops on shabbat. The problem seems to be one of החזרה (returning to the fire) -- understandable, since one cannot take a pot off the ...
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A better way to warm up food on shabbat morning

When warming up food on a hot tray on shabbat, most poskim do not allow one to put the food directly on the hot tray, but rather insist on a plate or inverted pot or pan be placed on the hot tray and ...
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4 votes
2 answers
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If one accidentally reheats some soup on Shabbos, are they allowed to eat it?

If someone left soup on a hotplate when it was off, forgetting that it was on a timer and would come back on later, can he eat it after the soup is reheated, because you can't do this on Shabbos?
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6 votes
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Is Sous-vide Cooking or Roasting?

It has been discussed here previously regarding the Sous-vide method of cooking. However I have a separate question. What type of method is halachically categorized as? Is it Tzli or is it Bishul? ...
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10 votes
2 answers
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Can one bake silkworms in a kosher oven?

Raising silkworms can be a fun project. If you're trying to get silk thread, the last step of the process, after they finish spinning their cocoon, is to bake them in the oven to kill them (if they ...
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Is blood "batel beshishim"? [duplicate]

I ask this question because I notice what seems to be a practical "contradiction". Inevitably, even after salting meat, there seems to be some blood in it. Yet, I notice some people that eat raw meat ...
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Tankless Water Heaters on Shabbos and Yom Tov

I have been trying to understand the issues with tankless water heaters on Shabbos and Yom Tov. (The simple description of how this works can be found here and here). I found this answer on Mi Yodeya ...
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2 votes
1 answer
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How to cook with a metal disc on a treif glass top stove?

The Star-K gives this advice for kashering a glass top stove: https://www.star-k.org/articles/articles/kosher-appliances/2931/kashering-glass-corning-halogen-or-ceran-cooktops/ The sentence that I am ...
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3 votes
2 answers
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Is hot water on an airplane kosher?

Why is it generally assumed that hot water on an airplane is kosher? Is the urn that warms up water on an airplane strictly for water use? Or do they alternate and it can be used sometimes for other ...
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Cooking for the next day on yom tov

The Shulchan Aruch 503 writes that one cannot cook for the next day of yomtov . My question is once its the second night can one cook on the second night for the second day meal? Do we say the night ...
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3 votes
1 answer
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May one marinate fish on Shabbat?

I was viewing O.C. 321 and there are a few halachot at the beginning that mentions that one cannot salt or put cabbage in vinegar on Shabbat because it is similar to cooking. My understanding of this ...
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Can one cook meat and fish dishes at the same time in the same oven?

The gemara in Pesachim 76b forbids one from cooking meat and fish together because of danger. But can one cook meat and fish dishes separately at the same time in the same oven? There can be a need ...
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Is cooking food in one's mouth forbidden on Shabbos?

If someone put an uncooked food into his mouth on shabbos, and then drinks water which is hot enough to cook the food (עירוי כלי ראשון שיד סולדת בו or if the food was מקלי הבישול even from a כלי שני) ...
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3 votes
2 answers
348 views

Is there any permissible way to put cooked dry food into an oven on Shabbat?

I know that this seems like a very generalized question. But, perhaps, someone can help me understand something. I've viewed a number of online sites regarding whether one is allowed to rewarm dry / ...
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1 vote
1 answer
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Leftovers and Chillul Shabbat

Suppose you were to cook much more food than you ended up needing on a given shabbat. Would it constitue chillul shabbat (or be disrespecting shabbat in any way) to either: A) eat the leftovers on ...
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2 votes
1 answer
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Eruv Tavshilin and cooking immediately before shabbat

The gemara in Pesachim 46b appears to contain an argument as to why it is biblically permitted to cook on yom tov for a shabbat which immediately follows it. Rabbah implies that we need to rely on ...
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2 votes
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An Unblech that may/will boil off

If someone uses a water blech (Unblech or k'deirah) to exploit whatever halachic advantage he sees from this pot on a pot method, does he have to anticipate the possibility that the water inside will ...
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7 votes
1 answer
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Food cooked on Shabbas for Pikuach Nefesh

What is the status of the leftover food cooked for a person who was critically ill on Shabbas? Halachicly one is allowed to cook food on Shabbas and eat it if their life is in jeopardy. However, let'...
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Is it Mutar to do Shehiya and Chazara on Sternos?

Assuming the the water in the bottom pan is Yad Soledes Bo before Shabbos would it be Mutar to do Shehiya for the Friday night Shalom Zachar or the like on top of Sternos? I was primarily thinking ...
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1 vote
1 answer
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Using hot water on shabbos

Is there any heter to use hot water on shabbos - for say washing dishes, or for bathing children (not addressing issues of drying hair etc)? Does leaving a faucet of hot water running before shabbos ...
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5 votes
2 answers
481 views

Explain why the "kli sheini" rule works regarding Shabbat cooking

Please excuse my weak knowledge in this area. I find the cooking laws of Shabbat quite confusing and I'd like to get a simplified understanding of it, if possible. Apparently, pouring hot water from ...
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1 vote
1 answer
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Warming up cold liquid on shabbas

There is a concept of ein bishul achar bishul (you can't cook a food more once its cooked already) . This concept applies to dry foods according to all opinions and one would be able to warm such food ...
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1 vote
1 answer
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Can one char / sear a frankfurter on Shabbat?

I'm trying to get a better understanding of the general rule that "there is no cooking of already cooked foods". Let's say a frankfurter has already been cooked (via boiling, etc.) If one puts the ...
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2 votes
1 answer
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Is the definition of "cooking" on Shabbat specific to applying heat energy?

In college, I recall an experiment where we boiled water by reducing the pressure in a flask that contained water until the water boiled. No heat was added. Would this be considered a melacha of "...
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3 votes
2 answers
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Is a soft boiled egg fully cooked?

On Shabbos, Chazarah, which is returning something onto the fire, is permitted if it was fully cooked already (among other conditions that have to be met)although it is Mitstamek v'yofe lo. Is a soft ...
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1 vote
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Temperature controlled urn on Shabbat

What issues may be at play when adjusting the temperature of an urn on Shabbat, e.g. from 200° F to 80° F, specifically on an urn pictured below*? (Assuming the water is already pre-boiled before ...
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1 vote
1 answer
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Source for cooked milk and בשר חיה ועוף being אסור בהנאה

בשר חיה ועוף cooked with milk are אסור to eat מדרבנן. Mistama, that means that the מחבר holds that it's מותר to get הנאה from this mixture. What I want to know is... Are there any שיטות that hold you ...
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