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
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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?
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) ...
11
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3answers
330 views

Hamster Food and Chometz

I have hamsters at home, and their usual food is chometz. I can feed them with cornflakes and other kitniyot for a short period (about a week, maybe more), but not for a long time. Hamsters store food ...
10
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2answers
706 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 ...
10
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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 ...
10
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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 ...
9
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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 ...
9
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2answers
3k views

May one eat eggs purchased on Passover?

It is a common practice for people to buy their Pesach eggs in advance of Pesach. I've seen different reasons for this, including: The popular notion that some chametz might somehow get into the egg,...
8
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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 ...
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?
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 ...
8
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2answers
590 views

Why do we burn chametz instead of other ways of destroying it?

Before Pesach we burn whatever chametz we have not sold or otherwise removed from our ownership. Why specifically do we burn it instead of finding another way to dispose of it? Perhaps a lest wasteful ...
8
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2answers
182 views

What happens if Chametz was sold to a 'Gentile' who was later found out to actually be Jewish?

Let's say the congregational rabbi, acting as the agent for about 200 congregants sells the chametz to a Gentile before Pesach begins. During Hol Hamo'ed, someone tells the Gentile, "You know, you're ...
8
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1answer
113 views

Bittul (nullification) and Mechira (sale)

Sorry if this is a duplicate. It is my understanding that one must sell his chometz, prior to declaring his chometz nullified. Reason being, how can one sell something that is null and void? It is ...
8
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1answer
215 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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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 ...
7
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2answers
631 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 ...
7
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1answer
584 views

Play-doh, Passover, and Purina

from: http://doseofhalacha.blogspot.com/2014/04/toiletries-on-pesach.html On Pesach, anything that is rauy l’achilas kelev (can be eaten by a dog) is considered chametz. The Shulchan Aruch (OC 442: ...
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3answers
1k views

Cigarette on Pesach

Is there a problem of Chometz with Smoking on Pesach?
7
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1answer
2k views

Should one change mouthwash and toothpaste for Pesach?

If one has a mouthwash bottle and a toothpaste tube that they've been using, do they need to get brand new ones for Pesach? My concern is with any chametz that might have gotten onto the tube or into ...
6
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3answers
248 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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2answers
2k views

What can I feed my fish over Pesach?

What can people feed their fish over Pesach? Is it possible to feed them regular flakes, even if they contain chametz, since it is inedible anyway?
6
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2answers
814 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 ...
6
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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
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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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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 ...
6
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2answers
243 views

Does it matter through whom you sell your chometz?

I have seen online forms and received emails from many far-flung places offering to sell my chometz for me. I also have a competent Rabbi in my local shul who is willing to do it. No two of these ...
6
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4answers
703 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? ...
6
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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
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 ...
6
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0answers
117 views

May a nutrition scientist perform research on chametz as part of his job on Hol Hamo'ed Pesach?

For this question, I am interested only in the aspect of handling the chametz and "benefitting" from it on Hol Hamo'ed, not any problems, possibly of going to work. (Let's assume that if the worker ...
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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 ...
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
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2answers
241 views

Where's Piece Number 10?

What does one do if he/she lost one of the 10 pieces of Bread and can't find it? (Don't worry, just curious)
5
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3answers
387 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
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1answer
269 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?
5
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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
650 views

How do you do bedikat chametz when you live alone?

I live alone and need to do bedikat chametz. Should I hide 10 pieces of chametz myself? Doesn't that defeat the purpose?
5
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1answer
133 views

Why is Chametz burned instead of being donated to charity on Passover?

Slight preface: I’m Jewish, but secular at best. So I know “how things work” in some ways, but still have questions from my own perspective. That said, one aspect of Passover has always confused me: ...
5
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1answer
187 views

Becoming Chametz at 18 mins

According to the Talmud Pesachim 46a, a non-leavened dough should show signs of Chimutz within a shiur of walking a Mil (or 4 Mil according to the Yerushalmi), which is 18 to 24 minutes. Similarly if ...
5
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1answer
123 views

Not eating chametz in Eretz Yisrael on “Achron shel Pesach”

I heard that there is a letter from the Rebbe Rashab (Chabad) that one shouldn't eat chametz on Achron Shel Pesach when they are in Eretz Yisrael (even if they are keeping only one-day Yom Tov.) I ...
5
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1answer
250 views

Do Sefardim Eat Chametz-Like Food made from Fruit Juice?

The Rambam rules that if flour is mixed with fruit juice but no water, it cannot become chametz (הלכות חמץ ומצה פרק ה) : ב חמשת מיני דגן אלו--אם לשן במי פירות בלבד, בלא שם מים בעולם--אינם באין ...
5
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1answer
136 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, ...
5
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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?
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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 ...
5
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2answers
660 views

Can a toaster be cleaned from chametz for Pesach?

What is necessary in order to clean a toaster from chametz Pesach? I know the easiest solution is to sell it with chametz, but we prefer to avoid the minhag of mechirat chametz, if possible. (We have ...
5
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2answers
269 views

Ratios of Hameitz-to-Other for Owning

For the prohibition of owning hameitz on passover, what is the ratio of hameitz-to-other that makes a mixture hameitz? The prohibition of owning hameitz is a separate mitzvat lo-ta'asei, as listed by ...
5
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0answers
313 views

May one order food from Amazon Prime after Pesach?

May one order chametz from a publically-traded company (Amazon) which may have had food pass through any number of distributers on the way? The service in question is Amazon Prime Pantry.
5
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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. ...
5
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1answer
128 views

Maror versus only peeled vegetables

The ideal vegetable for maror is some kind of leaf and/or stalk; roots are distinctly inferior and may not count at all (Shulchan Aruch and commentaries, 473:5). Being extra-strict about, and adding ...