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16
votes
2answers
165 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
243 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
232 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
1answer
594 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
419 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?
9
votes
2answers
6k views

Kashering a microwave

How can I kasher a microwave?
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 ...
6
votes
2answers
325 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
56 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
329 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
85 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
234 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 ...
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 ...
5
votes
1answer
80 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 ...
5
votes
2answers
169 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 you ...
4
votes
1answer
94 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 ...
4
votes
1answer
48 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
113 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
146 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
0answers
60 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
77 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
282 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
2answers
151 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 ...
3
votes
1answer
58 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 ...
3
votes
1answer
108 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
34 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?
2
votes
3answers
211 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
1answer
88 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
1answer
81 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
82 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
25 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
30 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
30 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
1answer
124 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 ...
1
vote
2answers
112 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 ...
1
vote
1answer
84 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
1answer
92 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
0answers
54 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
0answers
54 views

Self-Cleaning an Oven to Kasher If Food Residue Remains

From http://www.chabad.org/library/article_cdo/aid/623729/jewish/How-do-I-kosher-an-oven.htm: "If your oven is of the self-cleaning variety, koshering it is fairly simple. All you need to do is ...
0
votes
1answer
59 views

Can an oven be kashered without a torch soon after use?

I have been told that an oven may be kashered without the use of a torch for Libum even if it has not had 24 hrs at rest! Is this possible and if so how?
0
votes
2answers
127 views

Grill used for neveilot

Assuming I have a grill and someone I know uses it, without my permission, to cook meat from a neveilah (or perhaps not, but kosher species without certification). What is the status of the grill and ...
0
votes
1answer
119 views

Can an 'AGA' oven be koshered?

Can an 'AGA' oven be koshered? Here are encyclopedia and video explanations of what an AGA oven is: http://en.wikipedia.org/wiki/AGA_cooker http://www.youtube.com/watch?v=kxRp9b1yFGA
0
votes
1answer
106 views

At what temperature is a food Boleya in the utensil

Say I have a pot that I used for beef soup. Then an hour later I forgot I used the pot for meat and I decide to make soup with cheese. I throw the cheese in it and put it on the fire. About 5 seconds ...
0
votes
1answer
118 views

Can bleach be sufficient to cleanse for Passover?

A couple years ago I (Conservative) was asked by my wife (Baptist) to educate her church by running a Seder for them. I cleaned the kitchen and serving areas as best I could, vacuumed the carpets, ...
0
votes
0answers
27 views

Using the flatware of the wicked

This link goes to a page which sells silverware used by the leaders of the Third Reich. Hashkafically and Halachically, would it be inappropriate to kasher such utensils and use them at a kosher meal? ...
0
votes
0answers
38 views

Sharpening a knife as N"T [duplicate]

Is sharpening a knife a concern of Nothein Ta'am in Kashruth matters?