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16
votes
2answers
174 views

Hagalah in Denver?

In high-altitude cities, water boils at a lower temperature than the standard 212 degrees Farenheit. For example, in Denver the boiling point is about 203 degrees. Can one kasher utensils with hagalah ...
13
votes
2answers
255 views

Why does one need to kasher burners on a stove for passover?

I don't use separate burners for milk and meat during the year, nor do I think there's any reason to do that. So why the need to kasher burners before passover?
11
votes
3answers
256 views

Trustworthiness of “new” dishes

When one buys new dishes from a store (e.g. cutlery, plates, bowls), is there any concern that they are not as "new" as they are claimed to be? For example, someone buys some cutlery and plates, ...
10
votes
2answers
7k views

Kashering a microwave

How can I kasher a microwave?
10
votes
1answer
778 views

Koshering granite

I have been told that a granite counter top is similar to glass in that it is not porous and does not absorb taste from food that touches it. Is there a source in halacha for this concept? What other ...
9
votes
1answer
516 views

Knife sharpening - can it be done anywhere?

Can you take a Challa knife to any knife sharpener or would you have to Kasher it after it is sharpened? Would there be a difference if it is a meat or cheese knife?
8
votes
2answers
123 views

plastic utensil absorption and kashering

Does a plastic utensil swallow up taste and excrete it out like metal,or is it like glass. Also can plastic be kashered if it became treif? What are the sources that discuss this?
7
votes
3answers
2k 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 ...
6
votes
2answers
370 views

Can an immersion heater be used to kasher a sink? Does anyone have experience with this?

Normally, to "kasher" or "kosherize" a metal sink (from non-kosher to kosher, or before Passover), you clean it out well, make sure it's used for nothing hot for 24 hours, then pour boiling water all ...
6
votes
1answer
98 views

Can rags and oven mits become non-kosher or be kashered?

If kitchen rags or cloth oven mits have been used in a non-kosher kitchen, may they be used in a kosher kitchen after they are laundered? Or do they become non-kosher (for example, from contact with a ...
6
votes
1answer
378 views

Forms of Kashering a knife

I remember hearing that a knife can be kashered (from being treif) by sticking it in the ground. But I also know you can use the traditional kashering methods - Hag'ala and Libun. I have 2 ...
6
votes
1answer
95 views

How does one do Hagalah above 12,000 feet?

How does one do Hagalah above 12,000 feet, where water's boiling point falls below 190°F? Under normal circumstances, the water will not be Rochsim, and therefore unsuitable for Hagalah. Using a ...
6
votes
1answer
278 views

Microwave on Pesach

A friend told me that his family will kasher his microwave in general (ie if non-kosher food was heated up in it) but will not kasher it for Pesach, letting it lie dormant instead. Does anyone have a ...
6
votes
2answers
199 views

How to salt a chicken at home?

I'm Sara Gittel from the Shtetl and I just got back to my home with my freshly shechted chicken that I had brought to our local Shochet. I seem to have forgotten though how to salt it. Can please ...
5
votes
2answers
473 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 ...
5
votes
1answer
150 views

The Sciatic Nerve and Fat of Kosher Fowl

I have learned that the sciatic nerve must be removed from land animals to render the meat kosher. But what about fowl? Does the sciatic nerve need to be removed from chicken or turkey? Why or why ...
5
votes
1answer
88 views

Is one allowed to ask another to kasher his items that may get damaged when kashered?

There is a halacha which prohibits one to kasher items which may get damaged when kashered (as there is a concern that one may not kasher his item well). Are you allowed to ask someone else to kasher ...
4
votes
1answer
70 views

Dishes were used without tevilat keilim; can one just do tevila now or is something else needed?

If dishes have only ever been used for kosher food but they were not toveled (immersed), what steps must be taken per halacha to be able to continue using them? Can one just take them to the mikvah ...
4
votes
2answers
171 views

Step-by-step Kashering: Hag'alah

What is the step by step process of Kashering for the method of Hag'alah? Assume I've never done it before, and I am taking a recently used, non-Kosher metal pot and a number of cutlery and cooking ...
4
votes
1answer
58 views

Kashering a Hard to Clean Pot

Is it possible to kasher a pot that has areas that are hard to clean, for example the rim? Is there anything one can do to these areas if they can't be completely cleaned out that will allow the pot ...
4
votes
1answer
67 views

Why does age of a water filter affect how to kasher it?

The Star-K Web site says about water filters: If they are metal and have been on [the faucet] consistently since the previous Pesach, they should be left on during kashering of the spigot [for ...
4
votes
1answer
127 views

Why does smashing an earthenware vessel resolve the problem of the absorbed material of a cooked offering which has gone beyond its time limit?

Vayikro 6:21 An earthenware vessel in which it is cooked shall be broken, but if it is cooked in a copper vessel, it shall be purged and rinsed with water. Rashi explains, “[An ...
4
votes
1answer
154 views

How is Hagalah done on glass?

With regards to using glass vessels on Pesach that were used year round, The Shulchan Aruch HaRav (Orach Chaim 451:63) says that, for Ashkenazim, if the glass vessel was used multiple times during the ...
4
votes
1answer
86 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 ...
3
votes
3answers
83 views

Cholov Israel microwave

If someone is careful about only eating dairy which is Cholov Israel, is it OK to use a microwave which has been used for Cholov stam, without doing anything to kasher the microwave or wrapping the ...
3
votes
1answer
355 views

Kashering glass plates

We bought from eBay glass fish-shaped plates, manufactured by Arocroc (France) in 1970 or so. The listing had "unused" in the description but that is not certified. How does one kasher glass plates? ...
3
votes
1answer
124 views

Possibility of buying treyf meat in a kosher store

Since meat may be sold to a consumer before kashering and traiboring, it is possible that parts of meat obtained from a kosher store may not be kosher.* Ordinarily, one could guess whether the meat ...
3
votes
1answer
168 views

Step-by-step Kashering: Libbun

What is the step by step process of Kashering for the method of Libbun? Assume I've never done it before, and I am taking a recently used, non-Kosher oven and stove, as well as a frying pan, for ...
3
votes
1answer
114 views

Hagalas kelim in “tzir”

When one wants to make celim (vessels) Kosher by purging non-Kosher absorbed tastes from it, one method is hagaleh, which normally is done with water. The Rema says in SA OC Siman 452:5 that b'dieved ...
3
votes
0answers
66 views

Can an induction hob be kashered on Pesach?

Induction cooking involves an alternating magnetic field in a coil underneath a smooth glass/pyrex surface. This alternating field induces eddy currents in an iron pot placed on the hob. In turn, ...
3
votes
0answers
44 views

Can an enamelled pan be changed from meat to milk/pareve? [duplicate]

I have a metal pan that is enameled white on the inside, which I have had for more than 40 years, and hardly used. I originally intended it for meat, but now I think I might get some use out of it if ...
2
votes
2answers
153 views

Kashering frozen meat

Because of the prohibition against eating blood (Vayikra 7:26, ועוד), the blood that is in meat has to be removed, before it can be eaten. This is usually accomplished by salting the meat, though ...
2
votes
3answers
288 views

Kashering with a potted plant

On Friday, my grandmother made a comment about kashering a knife by sticking it in a potted plant (with very loose soil), something which will not kasher anything. What is the origin of this ...
2
votes
3answers
245 views

Using Dishwashers for both Meat and Milk

Can one use a dishwasher to wash both meat and dairy dishes, either simultaneously or consecutively? What about pareve dishes?
2
votes
2answers
47 views

Cholov Yisroel “Kashered”

So I was eating one of my favorite meals -- a bunch of peanut butter and cheese sandwiches, and to pass the time, I looked at the package of cheese. It is "Natural and Kosher" by Anderson ...
2
votes
1answer
60 views

Kasher a liver or unsalted meat

I understand that To prepare a liver to eat (not raw (maybe raw ok just to wash?)) and unsalted meat (without salting for 18min) We need to roust for the fire to remove its blood I understand that ...
2
votes
1answer
111 views

Kashering by Placing in a Self-Cleaning Oven

I think I remember learning once that one can kasher something that requires libun (e.g. a pan or cookie tray) by cleaning it and putting it in a self-ceaning oven. Is this true? If so, it sounds much ...
2
votes
2answers
145 views

Step-by-step Kashering: 'Iruy

What is the step by step method of Kashering for the method of 'Iruy? Assume I've never done it before, and I am taking a recently used, non-Kosher metal sink for Passover. (Maybe I'm in a hotel.) It ...
2
votes
1answer
85 views

Efshar LeSoḥato Asur - because or even though?

I'm trying to comprehend the concept of "אפשר לסוחטו אסור" (roughly: "if it's possible to extract it - something prohibited from something otherwise permitted - it is prohibited"). As far as I can ...
2
votes
1answer
96 views

Why do you have to kasher kitchen counters for Pesach?

If you don't use your countertops for either kli rishon or sheine, why do some require them to be kashered for Pesach?
2
votes
0answers
50 views

Sephardic Halakhoth for Kashering a Sink

Moving into a new place, the previous tenant was not Jewish, and the sink is made from porcelain. i know that Hacham Ovadia Yosef Zal allowed Sephardim to kasher a porcelain sink for Pesach by using ...
2
votes
0answers
75 views

Kashering enamel-ware

How does one kasher enamelware like Le Creuset (if it is at all possible)? Note: enamelware cooking implements are typically cast-iron with a glazed enamel covering most of the of the surface, except ...
2
votes
0answers
43 views

'Kashering' a milchig knife to make it parve (using hagalah) [duplicate]

I have 3 questions: Can a milchig (or fleishig for that matter) knife be kashered to become parve by means of hagalah? If it can be done, does a parve pot need to be used to contain the boiling ...
2
votes
1answer
36 views

What do I need to know to properly kasher utensils in boiling water? [duplicate]

If someone wants to kasher their utensils using a pot of boiling water, what do they need to know to do it correctly? Among other issues, consider: Are there issues with how long items need to be in ...
2
votes
0answers
65 views

Toasters in motels / cabins

I rented a cabin last week. In the kitchen was a clean toaster - not a toaster oven, but the "retro" kind for 2 slices of bread. Could I have used it? My assumption was it's OK b/c the electrical ...
1
vote
2answers
237 views

Do all poskim hold libun can not be done to a bbq?

I would like to use my barbecue for dairy, I was told that some poskim hold you can kasher a bbq buy leaving it on high for a couple of minutes. Does anybody know Poskim who hold like this? In other ...
1
vote
1answer
93 views

Sharpening a knife as Ne'itzah/Kelipah

Can sharpening a knife be done as a form of Ne'itzah for removing a Kelipah for Kashruth concerns?
1
vote
2answers
73 views

Earliest sources for the hot-rock method of hagalah

What is the earliest source explaining how to do hagalah? What is the earliest place we see detailed instructions for the hot rock method as opposed to the clay/dough method? To elaborate: If you ...
1
vote
1answer
120 views

Does eating non-kosher meat incur the punishment of Kareth?

This question is not about standards of kashrut -- which are of course a serious topic -- but rather the question of "grave sins" for which the death penalty is prescribed, or the consequence of ...
1
vote
0answers
44 views

Roasting unsalted meat

What are the customs in the process of making meat edible by removing the blood through roasting? Specifically after the roasting do I need to wash the meat to eat it (not to cook it afterwards)? ...