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

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5
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2answers
194 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 ...
5
votes
1answer
1k views

Baking powder on Pesach

I know intellectually that chemical leavening agents are allowed during Pesach. Kosher baking powder (free from kitinyot) is widely available. Still, I can't help feeling that it's cheating to use ...
5
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2answers
215 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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1answer
40 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
122 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?
5
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1answer
177 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 ...
5
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1answer
105 views

Permissibility of making Matzah by frying

Does anyone know of an opinion permitting Matzah to be cooked in a skillet(instead of being baked in an oven), and if so under what circumstances?
5
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2answers
183 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 ...
5
votes
1answer
188 views

Preparing food for Yom Tov Sheni

Orach Chaim 503 says that one may not prepare from the first day of Yom Tov for the second day of Yom Tov. However, if one is going to eat even one piece of meat on the first day, they may fill up a ...
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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
524 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
262 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
99 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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2answers
569 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 ...
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2answers
77 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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votes
1answer
116 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 ...
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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
915 views

Proper use of a blech/plata

What is the proper use of a blech/plata on Shabbat?
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1answer
167 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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3answers
150 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 ...
4
votes
1answer
93 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 ...
4
votes
1answer
225 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 ...
4
votes
2answers
62 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 ...
4
votes
1answer
87 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
327 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 ...
4
votes
1answer
72 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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0answers
56 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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0answers
77 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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0answers
194 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
619 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 ...
3
votes
2answers
241 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
43 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
votes
2answers
111 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 ...
3
votes
1answer
140 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
votes
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
69 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 ...
3
votes
2answers
103 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 ...
3
votes
1answer
112 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?
3
votes
1answer
69 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 ...
3
votes
3answers
243 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
165 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 ...
3
votes
1answer
745 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 ...
3
votes
1answer
318 views

Source for segula of baking challah

I am looking for sources for the segula of baking challah on behalf of a sick person, a shidduch, a baby or even a World Series victory. Where does this come from? Why can men not be part of it? Why ...
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votes
1answer
276 views

refilling a percolator on Yom Tov

Are you allowed to refill a percolator or hot water urn on Yom Tov?
3
votes
2answers
94 views

Dish on a radiator

Many homes and buildings are heated using a hot water radiant heating. (Water is heated in a boiler in another room. It flows through pipes in the building to the radiator where much of the heat is ...
3
votes
1answer
326 views

What is the correct way to cook Jachnun on Shabbat?

I am not Yemenite and bought frozen Jachnun. The package says to cook for 8 hours. Most recipes online talk about cooking it overnight. My question is then - isn't turning raw dough into cooked dough ...
3
votes
1answer
81 views

Do non-toxic, biodegradable kitchen/dish cleaners pose a Kashruth problem?

In certain instances, I've heard rabbis allow soaps and harsh cleaners to be used to make food and food-residue "Pagum" (ruined), which then removes any prohibition that might otherwise result when ...
3
votes
1answer
139 views

Can one use a year-round warming tray for Pesach? How?

Year-round, pans of food and foil-wrapped food are placed on an electric warming tray; the foods within are not kosher for Passover. What's the easiest way to permissibly use the tray for Passover? ...
3
votes
1answer
67 views

Could pipes from a boiler to a sink ever be considered a kli sheini?

A reason why having two sinks, in a kitchen, is justified, is because hot meat and milk cleaned or mixed together in a single sink could constitute bishul; one of the three prohibitions of ...
3
votes
1answer
87 views

power went off Bishul Akum

If a Jew turned on a portable burner for a non Jew to cook pancakes and the switch for power went off,but the actual metal is hot enough to cook on without any power,if the non Jew turns it back on is ...