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

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199 views

Sources for allowing/forbidding lifting and replacing the lid of a pot on a Blech or of a Crock-pot on Shabbos

What are the sources that discuss whether or not one is allowed to lift and replace the lid of a pot on a Blech, or of a Crock-pot®, on Shabbos?
5
votes
1answer
122 views

Is a dud shemesh allowed to be used on Shabbat?

Can a solar-powered water heater (a dud shemesh [דוד שמש] in Hebrew) be used on Shabbat? These are quite common in Israel as a way of heating water without electricity on a sunny day. Essentially, ...
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1answer
110 views

Can one make yoghurt on Shabbos?

Yoghurt can be made by holding a small quantity of live yoghurt mixed with fresh milk and stirred and kept at a constant temperature (38C or 100F) for up to 12 hours. Can the mixture be put in an ...
5
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1answer
715 views

Food cooked by a non-Jew not kosher?

Why is it that food cooked totally by a non-Jew - without the participation of a Jew - is not kosher?
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1answer
204 views

Cooking meat and milk on the way to burning them

If someone cooks meat and milk together at a very high temperature, so that they will be burned to ash, in the time that it takes from getting the ingredients to a hot temperature to the point that ...
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2answers
670 views

Coffee Urns on Shabbos

I've heard that there is a dispute among halachic decisors if one is allowed to use an urn like the one shown below on Shabbos because the outside water tube gets cold over Shabbos but then gets ...
5
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1answer
71 views

Why does שבת דף לז ע״א reject a valid proof?

The Bavli, Shabas 37 amud 1, wonders about the permissibility of placing a pot of food adjacent to a stove-oven (rather than atop or in it) when the stove-oven has good fuel in it that has not been ...
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2answers
225 views

Cooking on yom tov, not on shabbas

Why are you allowed to cook on yom tov but not on shabbas? I understand that there are certain rules about cooking, but why can't we do that on shabbas?
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2answers
100 views

Reheating bishul Akum

Pardon me while I try to construct the right hypothetical: I was invited to a state dinner recently. I brushed off the tux and polished my shoes and called up to make sure that the administration had ...
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1answer
49 views

Bishul achar afiah in bishul akum

In Hilchos Shabbos there is a rule called bishul achar afia (the opinion of the R'eim, cited in Tur O.C. 318 and Shulchan Aruch 318:5 and brought as the minhag by the Rema) which means, basically, ...
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1answer
277 views

Is it permissible to use a French Press on Yom Tov?

Is there an issue of borer when using the plunger of a French Press? What are the possible issues involved? Is it borer with a kli?
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1answer
196 views

May one host irreligious guests on yom tov?

Although it is permissible to cook on Yom Tov, this heter is limited to cooking for other Jews. Because of this prohibition, Chazal were concerned that if one had non Jews as guests, he would cook ...
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1answer
185 views

Ben Drosai - what was his Zechus?

Gemara Shabbos 20a and in other locations mentions כמאכל בן דרוסאי Rashi explains that Ben Drosai was a thief who ate his food when it was only cooked 1/3. Did Ben Drosai have some sort of Zechus ...
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2answers
196 views

Turn dairy ceramic pot into parve pot

Can a ceramic pot which I used for cooking milk, very rarely and a long time ago, be turned into a parve pot to boil water only? The pot is actually granitware, constructed of low-carbon steel with ...
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2answers
1k views

What is the actual temperature of Yad Soledes?

What is the actual temperature of Yad Soledes?
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2answers
571 views

Can I use a Parabolic Mirror or Fresnel Lens to cook on Shabbat?

Shabbat 39a discusses cooking on Shabbat using the sun. It is permitted to roll an egg on a hot roof to cook it since this is not a typical way to cook, but you can't burry it in sun-heated-sand ...
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1answer
299 views

Cooking meat and milk in the microwave

Would cooking meat and milk in the microwave be prohibited on the biblical level or just a rabbinical level prohibition?
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1answer
125 views

Cooking on Yom Tov, for Yom Tov

Why can't one cook for the second day of Yom Tov on the first day? Why won't something along the lines of Eiruv Tavshilin help in this case as well?
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2answers
1k views

Proper use of a blech/plata

What is the proper use of a blech/plata on Shabbat?
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1answer
104 views

Bakery workers washing Negel Vasser

In my local bakery there are Jewish non religious workers. Is there a concern that perhaps when they are handling the baked goods they have not washed negel Vasser (morning n'tilas yadayim)?
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1answer
131 views

What is the correct way to serve soup on Friday night?

What is the correct way to serve soup on Friday night? Does one take it off the blech and then serve out? I take it that it is forbidden to serve directly from the heat source. Also, am I allowed to ...
4
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1answer
85 views

Is there any problem with using yomtov candles to cook food (on yomtov)?

Suppose you had a lot of candles, and a small pan of chocolate you wanted to melt, any problem using the yomtov candles for this? Cooking is permitted, but is the use of yomtov candles restricted in ...
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2answers
56 views

Adding pellets to the hopper of a pellet stove on Shabbat

Would it be permissible to add pellets to the hopper of a pellet stove on Shabbat? A pellet stove has a large pellet hopper that holds approximately 40 pounds of wood pellets. The pellet auger turns ...
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2answers
101 views

Can a Jew borrow a cup of sugar from his non-Jewish neighbor?

I'm not specifically asking about stealing and owing concerns, although those may also be of interest. My question is actually: Can we use kosher-labeled ingredients from a non-Jew's home? (I ...
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3answers
161 views

What is an example of a “Tavshil Shel Baser”

In Shulchan Aruch Yoreh Deah Siman 89 Sif 3 we find the following rule. According to the Machaber if one ate a "tavshil shel baser", then, in order to eat cheese afterwards, one must only wash their ...
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1answer
101 views

Concern for liquidy finished product only

"Meat and Dairy—A Kosher Consumer's Handbook", by the Star-K, indicates: Uncovered dairy in a clean fleishig [=meat] oven — If one cooks fleishig in an oven and ensures it remains clean (i.e. the ...
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1answer
249 views

How could boiling 3 eggs at a time help?

A lot of people have a custom of boiling 3 eggs at a time, as mentioned here, among any other places. One reason given for this practice is that if one egg turns out to be unkosher, the remaining two ...
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2answers
155 views

According to Halacha are you permitted to melt cheese on Shabbos?

Can one place cheese upon a slice of bread that is put onto a blech on Shabbos? Is there a problem to melt cheese on Shabbos? Some of the specific consideration: 1) Since you are putting the ...
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1answer
102 views

Do I need to kasher the grill I used to kasher my liver?

I was looking at meat at the local butcher-shop and noticed that the packaged liver (un-kashered) mentioned that it could be cooked on a grill. However, I have always heard that liver needs its own ...
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3answers
346 views

Using a non-kosher rotating pizza oven

A countertop rotating pizza oven has a turntable on which pizza is placed. It has two heating elements: one heats from below the turntable, like a hot plate. A heating element above broils a section ...
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1answer
112 views

Someone who keeps one day Yom Tov Cooking on Chol HaMoed for someone else's Yom Tov Sheini

It says in SA OC Siman 539 Sif 11 (in the Rema) that one may buy things on Chol HaMoed that are needed for the Yom Tov Sheini (of the last days of Yom Tov), which is rabbinic in nature for those ...
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1answer
77 views

Smoking meat and milk

It says in SA YD Siman 87 Sif 6 that if one "smokes" together a meat and milk or if they "cook" it in the hot springs of Teveria then they are patur (however this is still ossur to do and of course ...
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40 views

Making Wissotsky tea on Shabbos

I have heard that Rav Nachum Rabinovitch, shlit"a, (who, IMSMC, is strict regarding using tea bags/cold essence to make tea on Shabbos, even in a kli sheni [lit: second utensil]) is lenient with ...
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68 views

Is there an issur to put cold water in a kli rishon on Yom Tov?

There is a prohibition of cooking to put cold water into a kli rishon of hot water on Shabbos. This is mentioned in the Mishna and Gemara on Shabbos 42a, and codified in the Tur and Shulchan Aruch ...
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99 views

minimum halachic definition of bread

This is sort of the counter question to Mezonos bread. At what point does a grain based admixture transition between bread and non bread? To clarify: The general position of Sephardic Jewry is that ...
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78 views

The opinion that microwaves don't need to be kashered

So I remember hearing this opinion that followed like this: "Microwaves do not need to be kashered because the means of cooking in a microwave are different than those spoken about in the Gemara." ...
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0answers
298 views

Sous-vide cooking for Shabbat

Sous-vide is a method of cooking food slowly, at a precisely-controlled temperature. This article in the New York Times reports that this method is becoming more and more accessible to and widespread ...
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0answers
723 views

Using a non-kosher toaster oven

What is the permissible way to use a non-kosher toaster oven? My thought process was that, when cooking milk in a meat oven, the covering of the dish and the rack makes it acceptable. Would covering ...
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2answers
283 views

Bishul Akum: now what?

What is the kashrus status of a pot if the food cooked in it was Kosher, but cooked by Non Jew? Is the pot kosher or not?
3
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2answers
44 views

בישול Versus שולק

The Shulchan Aruch and the Gemara use two words that to me seem to mean the same thing: "Cooking". My question is what is the difference between שולק (Sholek) and בישול (Bishul)? Please provide ...
3
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3answers
205 views

What are the kashrut issues with kosher food at a non-kosher restaurant?

What are the major kashrus/halachic issues with going to a non-kosher restaurant and ordering, say, [kosher fish] and vegetables; dressed with only extra-virgin olive oil, salt and pepper; ...
3
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2answers
118 views

Heating cold food on shabbos - Until what temperature?

On Shabbos if I take a cold food which was in the fridge before Shabbos started, and I put it on a blech or hot plate (using an inverted pot or on a pot containing food) can it only be heated until ...
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1answer
50 views

Do the chefs need to be present when Eiruv Tavshilin is done?

Do all those who will be cooking in the house need to be present when the Eruv Tavshilin is made, or can one person per household make it, and everyone else benefit from it?
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2answers
73 views

coffee “Elite” from Israel

In the newspaper "Hapeles" published in Israel, an ad published in the name of Rabbi Mordechai Gross shlit'a says that there is a problem with the coffee produced by "Elite" Israel . It is forbidden ...
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2answers
169 views

How long does entire process of baking matzo take to be kosher?

If one would like to bake matzo or use flour to make a Passover food, how long do we have for the process to take place? If 18 min, then is that 18m59s or 18m00s? If the food is cooked before 18 ...
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1answer
150 views

Seared Sushi Bishul Yisroel

Certain Sushi require the searing of the fish on the outside. Does this process require a Jew light the torch used to do the searing or is it not required? I have seen that some stores do and some do ...
3
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1answer
75 views

What counts as boiling on Shabbat?

I'm relatively new to making cholent. Before Shabbat starts I turn the temp down to around the warm area on the slow cooker. What I hadn't considered is whether it would boil or not. What happens is ...
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3answers
343 views

What's wrong with making coffee on Shabbat?

If, on Shabbat, someone pours water from a kli shlishi (which according to all opinions I'm aware of) over coffee beans which are laying on a filter is there any problem with drinking the resulting ...
3
votes
1answer
172 views

Why isn't steeping tea a מלאכה שאינה צריכה לגופה?

The definition of the m'lacha of cooking/baking on Shabas is "effecting a change in an object through (fire-based) heat". This is alluded to in the very first paragraph of Sh'miras Shabas K'hilchasah ...
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1answer
837 views

Is there some way to turn the electric stove on and off on Yomtov?

We use an electric stove to cook in our house, not fire or gas (aside from the occasional barbecue). To cook on first day Yomtov and more so on second day we would have to leave the stove on from the ...