Questions about the Jewish requirement to not cook, eat, or benefit from mixtures of meat and dairy.

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93 views

Do dental instruments need to be toyveled?

Metal utensils that will be used to handle food that's to be consumed generally need first to be immersed in a mikvah ("toyveled") (if owned by a Jew). If the food or utensil is hot, the utensil must ...
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0answers
41 views

What is the kashrut status of synthetic/in vitro meat? [duplicate]

It was reported in the news today (at least in the UK) that another step forward has been made towards the creation of "synthetic meat". From BBC News: The world's first lab-grown burger was ...
1
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1answer
93 views

Why does the RaMBa"M allow one to derive benefit from cooked mixtures of milk and meat of improperly slaughtered animals?

As noted in this other question and its comments and answers, the RaMBa"M allows one to derive benefit from the cooked mixture of milk and meat of an animal of a Kosher species that was not ...
3
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2answers
194 views

Is it prohibited to derive benefit from a mixture of milk and meat if the animal was improperly slaughtered?

Is it prohibited to derive benefit from a mixture of milk and meat if the animal was improperly slaughtered? Assume the animal slaughtered, like the milk-giving animal, is kosher, but the slaughter ...
5
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1answer
201 views

Milk and Meat of Non-Kosher Animal Species

Is cooking milk with the meat of non-kosher animal species the same problem as cooking milk with the meat of kosher animal species? In other words: can a Jew cook milk with a non-kosher animal ...
3
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1answer
293 views

Kashrut of rennet for cheese & Difference between rennet and gelatin

I actually have 2 questions which are related. Traditionally, making cheese involves using rennet, a substance derived from animal stomach. If the rennet is derived from a non-Kosher animal, it is ...
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1answer
125 views

Davar charif cut with meat knife — why not ossur?

The SA in YD Siman 97 Sif 1 (the makor is a braisa in Pesachim Daf 30) says that one should not knead together a dough with milk, lest someone come to eat it together with meat. If one did knead them ...
12
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3answers
1k views

Why is chicken “meat” (with regards to basar bechalav) and an egg not?

Why is chicken considered meat but fish is not? Also, why is an egg considered pareve? And if we can eat chicken eggs, why can't we eat caviar (fish eggs)?
3
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1answer
137 views

Cooking Parve food but with mixed utensils

If by mistake, someone who is cooking parve food but uses a dairy pot and selects a meat spatula or mixing utensil does this: A) Raise concerns about the food B) Render the pot non-kosher C) Render ...
6
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1answer
154 views

What's up with this pasuk in mishpatim?

The Chumash in Shemot 23:14 begins describing the three regalim: Pesach, Shavuot, Sukkot, in that order. In Pasuk 17, the Chumash begins again with Pesach and Shavuot. Instead of listing sukkot again ...
3
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0answers
39 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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0answers
44 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 ...
6
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3answers
159 views

Meat right after Milk… make a new bracha?

Suppose someone is planning on having some dairy food just before a meat meal. May the person make a bracha to cover the entire dairy/meat meal, or must he finish his dairy, make a bracha achrona, and ...
7
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2answers
99 views

What makes something “worthy of being honored”?

When a piece of meat is in a mixture that should nullify it, we don't consider it nullified if it is ראוי להתכבד, or "worthy of being honored", something you would serve to a guest. Is there some kind ...
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2answers
257 views

Should milk plates be separated from the table cloth where plates with meat are usually?

I use different plates for meat and for milk based food, and I never put them together: I am careful when I wash them and when I cook. I read in the Shulchan Oruch that, when two people are eating, ...
11
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3answers
436 views

Time dilation and waiting between meat and milk

Suppose Ploni eats some meat. He then gets in a spaceship and accelerates to some significant percentage of the speed of light for a short trip into outer space, and then returns home. At the time ...
25
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2answers
1k views

So you ate dairy after meat. Now what?

Whatever your tradition for waiting between meat and milk, let's say you forgot you were fleishig, and now realize that you have just eaten milk within your traditional waiting period. What are you ...
14
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3answers
511 views

Is Pork, Camel, and the like Fleishig?

If one somehow consumed meat of a non-kosher species such as camel or pork (e.g. life-threatening illness, or by accident), does s/he become Fleishig? Why or why not?
2
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1answer
359 views

How does one keep a kosher sink?

How does one keep a sink kosher when using two separate sets of plates and dishes?
2
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2answers
139 views

What was Moshe Rabbeinus argument against the angels?

Breishis 18:8 says that Avraham served the angels milk and meat together. Rashi in the name of the Medrash says that it only seemed like they were eating. Medrash Shocher Tov Tehilim 8 says that one ...
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2answers
116 views

Skin of chicken like chicken meat itself?

In terms of dinei baser b'chalav and other nafka minas for if something is considered baser or not what does the status of the skin on top of chicken have (the skin that is cooked together and often ...
5
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1answer
152 views

Status of food fried with oil that was previously used for meat

If one used oil to fry meat and the next day used the same oil to fry something pareve (eg. french fries), is the pareve food considered 'meat'? Is there any differences between Sefardic and ...
6
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2answers
408 views

Eating by one who doesn't separate glass

Some, mainly Ashkenazim, hold that glass dishes must be separated between milk and meat. Some, mainly Sefardim, do not. May the former eat on the latter's glass dishes?
0
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1answer
99 views

Kashrut: Meat and dairy

My family owns a farm that produces fresh food, including dairy and meat. Would the prohibition to eat milk and meat together still apply since I have ascertained that the cow from which milk was ...
5
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2answers
176 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 ...
11
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2answers
197 views

Cooking meat and milk as a chef

In this article an Orthodox woman describes how her rav permitted her to enroll in culinary school. Although he apparently did not permit cooking meat and milk together, is there any angle to permit ...
2
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1answer
72 views

דבר לח (liquid) is not a חיבור (connection)?

According to (חוות דעת (צ"ב כ׳, a דבר לח (liquid) is not a חיבור (connection), and, therefore, if there's spilled milk on the ground and a hot meat pot is placed on it, we don't need 60x the volume of ...
2
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2answers
221 views

Synthetic unkosher meat?

Suppose tissue identical to that of a pig could be created synthetically (with kosher ingredients) in a science lab. The meat would be completely indistinguishable from pig meat, but it would never ...
2
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1answer
38 views

Is Ever Min HaHai a Nevelah?

Does Ever Min HaHai have a Din of Nevelah? Does it render food cooked with it Nevelah? If it's meat from a Behemah Tehorah would it be Asur to cook with milk?
3
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2answers
356 views

is it ok to pour milk directly into a fleshig sink?

Is it permitted or forbidden to pour milk directly into a fleshig (meat-use) sink?
10
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3answers
277 views

Finding Meat After 6 Hours

Suppose you wait 6 hours (or more) and then realize you have a small piece of meat stuck in your teeth: Do you have to remove it before eating dairy? [assuming you have to remove it] Do you have to ...
5
votes
2answers
406 views

Can you kasher earthenware or porcelain utensils?

I read in the Kitzur Shulchan Aruch of the Yalkut Yosef that if one cooked dairy in a earthenware meat vessel, and if the vessel is valuable, then one can perform hagalah on the vessel three times ...
7
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3answers
959 views

How much does one have to eat to become Fleishigs?

Is there a minimum amount of meat or chicken required to be eaten in order to change one's status to being "fleishig" (i.e. so that he would have to wait before eating dairy)? [same question can be ...
15
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6answers
606 views

Dairy that you have to wait 6 hours after eating it

Which dairy is considered sharp and requires you to wait 6 hours afterwards, prior to eating meat?
14
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6answers
460 views

Avoiding accidentally eating cheese

Whether one waits 6 hours, 3 hours, 1 hour, or somewhere in between, it is a common occurrence to find people mistakenly eating milk/cheese/yogurt too soon after meat. It seems like a problem that ...
1
vote
2answers
219 views

Why not determine how long to wait between meat and milk using science?

If the time required to wait between eating meat and milk is based on the scientific definition of digestion, why don't we ask today's experts and set a defined time for everyone instead of different ...
5
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1answer
234 views

Is human flesh considered fleishik?

Are humans fleishik or are they on a different level? If I were to have a cut in my mouth, would that make me fleishik?
8
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2answers
283 views

Issues with cooking meat and milk at the same time

What issues are there (either potential or inherent) in cooking meat dishes and milk dishes at the same time on the same stovetop (not in the same pot)? Please also compare benefits and problems ...
7
votes
1answer
116 views

Can steam make one Fleishigs?

If I go and lean my head over a pot on the stove, open my mouth wide, allow the steam that's rising to enter my mouth, and then swallow it (don't try this at home), does that give me a status of being ...
5
votes
1answer
250 views

How can I slow-cook dairy if my slow-cooker is meat?

I have a (meat) slow-cooker and very occasionally want to be able to slow-cook dairy foods. Is it possible to adapt my existing appliance for this purpose? The slow-cooker consists of a glazed clay ...
6
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1answer
135 views

Place Mats - Why and When?

When are placemats needed when eating, and why are they needed?
7
votes
3answers
1k views

Kashering pot from meat to dairy/parev?

I know I've learned somewhere that you can't kasher a meaty pot for use with dairy (except for Pesach), but I can't find a source for it now. Can anyone provide a source? (The sauce would be a light ...
2
votes
2answers
213 views

Milchig / Fleishig Arrangement

When designating which sink in a kitchen is Milchig and which is Fleishig, is there any preferred method for which should side should be which. (Eg left meat and right milk, or vice versa)? What about ...
12
votes
4answers
395 views

Milk After Fowl

If eating milk and chicken is only a rabbinical prohibition, why don't we find that we are more lenient with regards to it. For example, why don't we wait less time between eating chicken and milk? ...
5
votes
3answers
199 views

Giving milk and meat to a baby

We have a one-year-old, BH. Is it OK to give him milk and then meat and vice versa without waiting in between?
4
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1answer
221 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?
11
votes
1answer
154 views

Meat מן with milk מן

My kid asked: If the man could be whatever food one wanted, could one eat milk-man after meat-man? (And the same can be asked, but stronger, about cooking or eating the two types together.) I ...
3
votes
1answer
87 views

כחל of a Ḥayah Tehorah - same din as כחל of a Behemah Tehorah?

I'm trying to tighten up my answer on Haman and prepare for my Purim Derashah. Does anyone know if כחל of a Ḥayah Tehorah has the same Din as a Behemah Tehorah? FYI, I want to change the words ...
14
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2answers
390 views

Orthodontics and period between eating fleischig and milchig

Since orthodontics often impose many artificial little crevices and wires and generally make one more susceptible to having bits of food stuck in the mouth for extended periods of time, is it ...
11
votes
4answers
219 views

Waiting Less Time on Shavuos

My family has a minhag to wait less time (3 hours as opposed to 6) between Meat and Milk on Shavuos. I was wondering if this has a written source? [or if not, has anyone else heard of it?]