Kashrus Archives - AskTheRav

A corelle Fleishig plate was found in the Milchig sink after being used for hot Milchig pizza. What should be done with the plate?

The plate should be thrown out, since corelle cannot be Kashered. In desperate situations, where one’s financial situation is tight, and throwing it out is a significant loss, there…

Is the OU without Pas Yisroel enough for Twizzlers? It is made with wheat flour.

The flour in Twizzlers isn’t a primary ingredient. Although they are cooked using ingredients that cannot be eaten raw, there is no issue of Bishul Akum for the reasons enumerated…

If I paint glass with oil based paint pens is there a Kashrus concern in baking them in a kosher oven?

If it's toxic (I.e. inedible) or if it is double wrapped, there is no concern. #5570

There is a new way of checking for bugs that I heard about it, using the thrip cloth. According to Lubavitcher Rabbanim, is that an acceptable way to check for bugs and can replace checking every leaf of herbs etc?

Asktherav.com strongly encourages the use of the thrip cloth or shmate method but recommends doing sample checking the regular way too. ראה מש״כ ח״א בקובץ עץ חיים באבוב…

I just moved into a new apartment. The one that lived there before probobly didn’t keep Kashrus. How should I Kasher the sink?

Kashering a sink: Which sinks can be Kashered: Only a metal/stainless steel sink can be koshered. porcelain and enamel sinks cannot be Kashered. Preparing the sink: The sink must be…

I just moved into a new apartment. The one that lived there before probobly didn’t keep Kashrus. How can I Kasher farmaica counters?

Kashering a countertop: Granite countertops: Preparing the countertop: The countertop must be thoroughly cleaned. if any dirt is on the countertop it cannot be Koshered (generally speaking). A mere discoloration however is fine.…

Do the pods or liquid of E-cigarettes and VAPES, need to be Kosher?

E-cigarettes and VAPES, whether in pod or liquid form are problematic both from a Halachic and health standpoint. See here: Rabbi Daniel Stein: "Are Vaping and E-Cigarettes Kosher?"…

There aren’t many summer jobs available for my young teenage son. Can he work in a supermarket where they have a nice kosher section, but it’s mostly non-kosher food? Are there certain jobs within such a place that are more or less desirable from a Torah perspective?

It is difficult to answer you properly without knowing you or your son's religiosity background. In general, a boy in Yeshiva should learn or work in an Orthodox Jewish…

May one regard coffee with milk from such a supermarket as Cholov-Yisroel.

A local supermarket has introduced several brand-new commercial coffee machines (providing espressos, cappuccinos, americanos etc). They have dedicated one for Cholov Yisroel. These machines self-clean and there is thus no…

Moving into a house previously lived in by a Jew who did not keep kosher. Treif working dishwasher. Can it be Kashered? Same with electric stove/oven.

Dishwasher: The standard approach is to be stringent and not Kasher a dishwasher due to the various concerns, primarily because it is not likely that the hot water cycle…

Does distilled water need a Hechsher?

Water which is not flavored and not fortified does not require a Hechsher. #5274

I purchased these forks and spoons for my son. I just noticed on the package it says it’s made of recycled milk jugs. Is it ok to use it or not?

Picture. It's ok to use.

I want to experiment with cooking hard-boiled eggs. Can I try with cooking only one egg? I typically always cook a minimum of three, but I don’t want to be wasteful if the experiment fails.

Allowed. There is no halachic obligation to cook an odd number of eggs. See below for suggested reasons for this custom. הנהגת נשים זקנות. (ראה הלכה יומית תקע ותשצט) וי״א…

לכאלה ששותים משקה ‘ג’ינג’ר אייל’ ו’פרסקה’ וכדומה ממשקאות שהם בהכשר ה”או-יו”. האם גם קוקה קולה הוא באותו רמת כשרות או שיש בו בעיה נוספת?

לדעת הרבה פוסקים, קוקה קולה באותה רמת כשרות כמו שאר המשקאות. מקורות: בנוגע לקולה הרב לנדא מבני ברק אומר שצריך הכשר מיוחד, עד כמה שידוע לי הבעיה שלו…

Are pringles with an OU Fine?

In general there is a Machlokes in regards to regular Potato chips if they need to be Bishul Yisroel and it is proper to be stringent, however, even according to…

Can I invest stocks in a non-kosher food company?

Yes. ראה שאלה 3906. #4553 This Q&A is brought to you by: An anonymous partner in appreciation of the Bedatz of Crown Heights and of AskTheRav…

Does pure almond flour require a Hechsher?

No, unless it has added sensitive ingredients. #4652 This Q&A is brought to you in honor of Sara bas Leah Gittel and Daniel Yosef ben Leah Gittel …

Is OVASITOL (it’s an insotol supplement) kosher?

According to the manufacturing company it is not kosher certified but it is vegan with no animal derivatives. The company however does produce products with non-kosher ingredients and it…

Is it necessary to scrub the oven clean between cooking uncovered fish and cooking meat?

The oven should be clean from actual residue between fish and meat. Some are particular to designate separate pots for both or in the case of an oven preheat…

I have a Pareve bowl, and I mixed something that was hot and Pareve in it, but mixed it with a (clean) Milchig spoon, which I doubt has been used in the past 24 hours. (Almost sure it wasnt used in 24 hours) Is my bowl now Milchig? If yes, how do I kasher it?

The bowl is still Pareve. Sources: מה שחידש הש"ך בסי' צ"ד ס"ק ט"ו לענין קביעת תשמיש הוא כשהכף הוא בן יומו. וחומרא הוא והבו דלא לוסיף עלה. …