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10
votes
1answer
743 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
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 ...
4
votes
2answers
211 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 ...
8
votes
1answer
196 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
309 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 ...
4
votes
2answers
118 views

How many degrees of separation from food does one have to kasher?

I understand that the sink, the dishwasher, and sponges, etc. all need to be kashered, presumably because they touch things (plates, utensils) that also touch food. But how many degrees of separate ...
13
votes
2answers
301 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?
5
votes
3answers
689 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?
3
votes
1answer
198 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 ...
2
votes
2answers
207 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
74 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 ...
0
votes
2answers
157 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 ...
8
votes
2answers
336 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?
4
votes
2answers
148 views

Does a kosher pot become non-kosher after you kasher utensils in it?

I'm kashering a number of non-kosher, metal utensil with a kosher pot. If heat is a mechanism through which things can become non-kosher, does kashering my utensils in the pot (via Hagalah) make my ...
1
vote
1answer
134 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 ...
16
votes
2answers
188 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 ...
10
votes
2answers
8k views

Kashering a microwave

How can I kasher a microwave?
5
votes
1answer
131 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 ...
5
votes
3answers
143 views

Do you have to re-tovel non-Pesach dishware after buying it back?

"Utensils which are bought from a non-Jew, even if they are brand new, require immersion in a kosher mikveh." --From Weekly Halacha: Selected Halachos Related to Parshas Vayera by Rabbi Doniel ...
4
votes
1answer
103 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
0answers
50 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
0answers
53 views

Kashering a stove

The common custom I have noticed is for people to use the same stove top for meat and dairy. However, people also claim you need to kasher a stove top before use. How are these two positions not ...
2
votes
3answers
687 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 bubbe-...
1
vote
1answer
131 views

What is the function of covering the stove top on Pesach?

It appears to be a universal Ashkenazi custom to cover the area of the stove top between the burners, underneath the grates with aluminum foil. (The grates and burners and cleaned and kashered.) ...
1
vote
1answer
112 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?
0
votes
1answer
157 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
2answers
61 views

Kashruth of Terra Cotta

What are the halakhoth regarding unglazed terra cotta flower pots? Does it absorb? Can it be kashered, and if so, how? Sephardic rulings preferred, but will take any sources.
0
votes
0answers
39 views

Sharpening a knife as N"T [duplicate]

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