Questions tagged [chametz-leaven]

Something made from one of the five grains, and which has been allowed to rise (leaven). Forbidden to eat or possess during Pesach (Passover).

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18
votes
5answers
4k views

If the last day of Passover is Friday, may I eat chametz on the Shabbat right after?

This year, 5778, the last day of Pesach in Israel is on Friday. Is there any possible way that one could contrive to eat chometz on the shabbos immediately following Pesach?
6
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1answer
658 views

If chametz is batel before Pesach

If chametz can be batel before Pesach, why don't we buy (before Pesach) any commercially produced product with year-round (i.e., not Pesach-specific) kosher certification which does not list chametz ...
3
votes
1answer
266 views

Is a Gentile allowed to store his/her chometz in your fridge during Pesach?

A woman has a Gentile helper live with her. She brings her own food during the year and stores it in the woman's fridge. The fridge is cleaned for Pesach. The Gentile buys her own food and it is ...
4
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2answers
304 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
206 views

Can you have chometz in your birdfeeder during Pesach?

I know that we are not allowed to derive benefit from chometz during Pesach, and that this prohibition extends to feeding our pets food containing chometz. (Source: http://cor.ca/view-515-pet-food-on-...
7
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1answer
1k views

Why are Oats Chametz if oats cannot rise

Oats do not have gluten so they cannot rise - like rice and other such grains. I could understand why they would be kitniot but why are they chametz? I know in arvei psachim there is an opinion that ...
8
votes
4answers
1k views

tap water on Pesach

The New Croton Reservoir supplies much of New York City's tap water, and people are allowed to — and do — go out on boats and fish. I'd venture a guess that almost every Saturday and Sunday, a piece ...
6
votes
1answer
641 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 ...
11
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1answer
320 views

What can I feed my elderly cat during Pesach?

I have a 19-year-old cat who is (now) on a low-protein diet, precluding the canonical week of tuna. Is there someplace I can buy chametz-free, low-protein food? Are there any consequences (for me) ...
2
votes
1answer
387 views

Regarding chametz, what is considered “not fit to be eaten by a dog”?

Regarding whether something needs to be considered chametz or not, there is a general rule of ראוי לאכילת כלב - i.e. - if a dog wouldn't eat it, then it's not considered food and therefore it is not ...
2
votes
2answers
448 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 ...
10
votes
1answer
614 views

Double Wrapping on Pesach

I have always understood that one may use a non-kosher microwave for kosher food by double (or triple) wrapping the said food while cooking it. May one use the same procedure for cooking on Pesach in ...
5
votes
1answer
270 views

Do the rules of chametz apply to IV nutrition?

Does chametz apply only to what is eaten orally or to any type of nutrition / food regardless of how it is ingested?
8
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4answers
252 views

Why seem to sell and be mafkir chametz?

My understanding is that we do both of the following: We (appoint a rabbi as an agent to) sell our chametz to a gentile. This sale takes place the morning of the day before Pesach, before the ...
6
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3answers
249 views

Moving the fridge for Pesach cleaning

Is one required to move the fridge and clean out all the chametz that has gotten stuck underneath? This question assumes that the fridge will not be moved at all during Pesach.
6
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3answers
293 views

How can we just make our chametz ownerless?

I'm trying to understand the "legal fiction" wherein we declare any chometz we have as ownerless like the dust of the earth. Is this halachically acceptable? How can a person declare something in his ...
5
votes
1answer
139 views

Is chimutz a wholly physical phenomenon?

The gemara seems to imply that chametz is not a concern with flour mixed with fruit juice. Indeed, amongst other effects, sugars (which are present in fruit juice) slow gluten development. However, ...
3
votes
1answer
2k views

Can a hot water urn that is used throughout the year be used for Passover?

Can a hot water urn that is used throughout the year be used for Passover? If not, what is the reasoning why, if it is only used for water (i.e., not coffee). Would the same reasoning hold for a ...
10
votes
3answers
1k views

Halachic status of kamut

Khorasan wheat, often known by one popular brand name thereof, KAMUT®, is an ancient grain that is related to modern-day wheat, but has a number of differences. Does it have the halachic status of ...
8
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2answers
1k views

Source of Burning Lulav with Chometz

What is the source of the custom to keep the Lulav untill Erev Pesach and burn it with the Chometz?
6
votes
2answers
158 views

Are coupons for Chometz - Chometz?

Are coupons for items which are chometz, chometz themselves? Do they have a status of chometz, or can they be dealt with on Pesach? For example: Can one acquire coupons for grain cereals on Pesach (...
6
votes
1answer
1k views

Ashkenazim and Kitniyot on Erev Pesach

The following hypothetical case was raised in class today: An American (ashkenazic) Jew is visiting Israel. On Erev Pesach, he has a hankering for sushi (the word hankering was not used in class -- ...
6
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4answers
707 views

Investing in Halacha

Does anyone know some halachik sources that discuss investing in stocks? There are many potential issues. For example, do you need to worry (about ribbis) if your money is used to lend with interest? ...
5
votes
3answers
388 views

Israeli making pizza on last day of Pesach in the Diaspora

A Jew who lives in the U.S. own a pizza store. He wants to be sure that he has plenty of fresh pizzas ready to sell as soon as Pesach is over. So, before Pesach, he sells his chametz to his Israeli ...
5
votes
2answers
4k views

Why is oatmeal considered chometz?

Let's say a pot of raw dry oats becomes fully cooked in 5 minutes. Just oats and water. How is it considered chometz?
5
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3answers
2k views

Using the SodaStream on Passover

Generally speaking, the contemporary practice is to be very machmir when it comes to Pesach, above and beyond the letter of any law. I'm curious to know if there have been any relevant rulings or ...
2
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1answer
229 views

Receiving someone else's chametz mail

Yesterday, I heard the door open and close. I went over and discovered that the mailman had delivered the mail. A magazine (which I looked forward to reading), some envelopes and a small package. I ...
2
votes
2answers
104 views

Questions regarding hand shmurah matzoh checking process

Recently, I watched a youtube video showing how hand shmurah matzot are baked. I think it was from the pupah tzelem factory. The narrator showed an explained that after the matzot exit the oven and ...
10
votes
2answers
707 views

Given Chametz by a Guest on Pesach - how to react?

An invitation was given to someone to a Seder on Pesach and they show up with a nice, expensive bottle of Single Malt Scotch Whisky (which is unquestionably barley-based if you don't want to check the ...
6
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0answers
52 views

Badikas Chamatz in courtyards of cities today

Shulchan Aruch HaRav says: קרקעית החצר אין צריך בדיקה לפי שעורבין ושאר עופות מצויין שם והם אוכלים כל חמץ שנופל ואפילו אם ידוע לו שיש שם בחצר ודאי חמץ אין צריך ליטלו משם בשעת בדיקת ליל י"ד ואפילו ...
4
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1answer
241 views

the lechem hapanim was NOT chametz - where is the source for this?

We had the discussion what happened with the lechem hapanim on Pessach and the answer is that it was NOT chametz. Where can I read up on this fact? There were actually only TWO instances of chametz in ...
3
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0answers
153 views

Do you own chametz bought on credit?

On Hol Hamo'ed, someone purchases chametz on-line using a credit card. The order was processed during Hol Hamo'ed, but will arrive at the person's home after Pesach is over. The credit card payment is ...
3
votes
0answers
58 views

Ratios of Hameitz-to-Other for Deriving Benefit

For the prohibition on deriving benefit from hameitz on passover, what is the ratio of hameitz-to-other that makes a mixture hameitz? I am aware that when it comes to the prohibition of eating hameitz ...
9
votes
1answer
7k 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 ...
8
votes
1answer
216 views

What's the Shiur of Mashehu?

Certain issurim (forbidden things) can become batel (halachically nullified) if they were unintentionally mixed in heter (permitted things). In order for this to happen, the heter must outnumber the ...
7
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2answers
633 views

The Passover and Yeast

What are the regulations concerning the passover ceremony and the use of yeast in bread? Is eating bread made without yeast significant and meant to represent anything in particular? Does this ...
6
votes
2answers
313 views

What is the preferable form of Biur Chametz?

While burning the chametz is clearly the most popular, it is really not the only solution to disposing of it right before Pesach. Other solutions I remember learning about are scattering it in the sea,...
6
votes
2answers
819 views

Why would aluminum tins need a Kosher L'Pesach hechsher?

A few days ago, my son noticed that a small aluminum tin that we used had a stamp from the Badat"z that said Kosher L'Pesach. I know that people put food in aluminum tins. But I don't know of anyone ...
5
votes
1answer
268 views

Eating faux-Matza Before Pesach

Mishna Berura 471:2:12 says there are those that do not eat Matza starting Rosh Chodesh Nissan. May one eat Matza that is Chometz?
5
votes
3answers
150 views

Where do matza bakers find flour that's definitely never gotten wet?

Matzah sold as Shmurah means that Jews were present from the time of harvesting, making sure that the grain stayed dry and didn't become chametz, and intending for the purpose of the mitzva of matzah. ...
4
votes
0answers
70 views

When do you own the food in your farm-share box?

In a farm share (CSA, community-supported agriculture), at the beginning of a season you subscribe to and pay for a share, and then you receive regular deliveries of whatever food those farms produced ...
4
votes
1answer
466 views

In Israel, what do you do if Isru Chag of Pesach is on Shabbat?

In Israel, if Isru Chag of Pesach is on Shabbat, when do people reacquire their chametz that they sold on Pesach? Do they acquire it retroactively after the holiday is over, OR do they not acquire it ...
4
votes
1answer
285 views

Sold Chametz being visible

Is there any issue with chametz sold to a non-Jew being visible during pesach? For example, if I sell my whiskey, can I keep the whiskey in a glass enclosure in the living room where it could be seen?
4
votes
1answer
84 views

Must a publicly owned building be cleaned for Passover?

Is the community responsible to have publicly owned buildings (such as synagogues, batei midrashot and libraries) cleaned for pesach? Does it matter if it will be used or not over the holiday? If ...
3
votes
2answers
116 views

Buying Chometz to get rid of it

If a person would hypothetically not own any chometz the evening before Pesach, should/could they purchase chometz in order to get rid of it the following day? I am hoping to have this question ...
3
votes
3answers
612 views

Do dentures, denture cleaning tablets need to be Kosher for Passover? [closed]

In the spirit of the Pre-Pesach holiday, I thought I might ask a question on Pesach Halachot... I have a denture which has been cleaned with a standard denture cleaner. The cleaner is a tablet that ...
3
votes
0answers
317 views

Would leavened bread made from matzo meal be kosher for Passover?

Flour which is wet for 18 or more minutes is considered to be "leavened", and therefore chametz. However, though there's some disagreement, this restriction is generally not applied to matzo, or food ...
2
votes
1answer
49 views

Birdseed and Bal Yeraeh

Does one need to get rid of whole dagan (e.g. wheat or barley) kernels before Pesach (such as might be found in packages of birdseed)? Could there be any concern of a biblical/rabbinic prohibition?
2
votes
3answers
236 views

What does a kefula look like?

I've seen discussion of the need to check matzah for kefulos--particular types of folds (Mishnah Berurah 461:35)--before Pesach. However, I'm having trouble finding a good guide to what a kefula in ...
2
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0answers
88 views

Should the Gemora allow boiled food on Pesach?

Pesachim 39B quotes a Beraisa which says, "The following do not become Chametz: something (i.e. grain) that was already baked (matzo), cooked, or Chalut (scalded, I guess?) in boiling water." Then ...