Meat and Milk Archives

Can I use a sous vide for dairy and meat at separate times? Can I kasher it to parve and then to the other few days later?

A sous vide cannot be used for both dairy and meat. One may kasher from meat to Parve for a while, and then use it for milk. ראה…

I cut olives with a meat knife on a dairy cutting board…

...The dairy cutting board was used to cut onions a few hours earlier and the meat knife was used about 24 hours ago to cut meat. What is the…

Can one put a breast milk bottle in a fleishig dishwasher?

Lechatchila you shouldn't do it. https://asktherav.com/is-mothers-milk-considered-pareve-milchig-or-fleishig/ However, if it is rinsed first you may put it there. #10599

The new dishwashers that come with two separate doors and drawers (separate systems), is one allowed to use one for milk and one for meat?

Yes. Can they run at the same time? Yes. If you don't mind to clarify, since the two waters will drain out together and still be boiling…

?האם יש מנהג חב”ד להחמיר כהרש”ל שלא לערב עם חלבי מה שבושל בנטל”פ נ”ט בר נ”ט?

גם הרש״ל לא אסר מדינא ורק כתב שנהגו כן. ובנו״כ השו״ע הכריעו כולם להיתר. ולא ידוע לי על מקור ברור ע״ד מנהג אצלנו באופן אחר. וכמדומה ברור שמורי ההוראה…

I cut an onion in half with a fleishige knife. Than I continued cutting it with a parve knife. What’s the din of the onion? What’s the din of the parve knife? Whoever eats that onion becomes fleishig?

1. The onion is fleishig. 2. The pareve knife should be kashered if you want to continue using it for pareve. 3. If you eat the onion on you…

I cut two lemon slices with a fleishig knife and added to boiling water in a milchig glass mug (not Ben-yomo) for my tea. What’s the status of my tea and mug?

The tea should be discarded and the cup is treif. Being that it's a glass cup it (should not be kashered, and) should be thrown out. דין לימוני"ש…

Is it a problem to have a fleishik oven on top of a milchik oven or vice versa? Many houses have it set up that way.

It would depend on the model and type of oven: If they share vents, you cannot use one for fleishig and one for milchig. This is because the steam…

תפוחי אדמה שהתבשלו בסיר בשרי שאינו בן יומו – ונתערב בו חמאה. מה הדין?

מותר לאוכלו. מקורות: ראה רמ"א סימן צ"ה סעיף ב וראה ט"ז סוסק"ד. ואם מותר לבשלו לכתחילה ע"ד לאכול עם המין השני, שקו״ט בכ״מ. וראה חכמת אדם כלל מ"ח…

Is it necessary to wait 6 hours after eating regular hard cheese like mozzarella, Munster, cheddar cheese, before eating fleishig? As a general rule, Is Parmesan considered aged cheese nowadays hence rendering it a ‘6 hour cheese’?

Mozzarella and Munster cheeses - are soft cheeses and they are aged on average for 30 days. There is no need to wait six hours after eating them. Note that…

Is it OK to not use place mats or a tablecloth for Milchig or Fleishig, on a glass table?

Any time a hot food item or a hot pot that is wet on the bottom (or if the table is wet) is placed on the table, it potentially…

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. …

Can a Fleishig knife that was used to cut cheese be Kashered? The knife had not been used for meat 24 hours prior, the knife and cheese were both cold. If so, can it be Kashered in boiling water? Please advise.

If both were cold, the knife does not need to be Kashered - just washed (NOT in hot water). #4297

אם בשלתי מאכל פרווה בכלי בשרי בן יומו, האם אוכל לאוכלו עם חלב? והאם יש חילוק בין ספרדים לאשכנזים?

לא. ספרדים מקילים. מקור: שו״ע יו״ד צה, א-ב. #4324

My doctor prescribed capsules for dizziness. The capsules contain lactose which is dairy. What should I do?

If the dairy (lactose) is in the actual capsule itself, you can remove the capsule and take the powder or pill on its own. Alternatively, you can get a…

Can Parve bread baked in a Fleishig oven, specifically in Fleishig Keilim, be served with a Milchig meal?

See Halacha2go.com #622. #4297

I normally have a separate oven that we uses for all dairy. Unfortunately it has broken and can’t be fixed before Shavuos. I was wondering if I could use the oven that I normally use strictly for Fleishigs and use it to make dairy at this time (covered if necessary)?

There are countless details involved in converting ovens and stoves from meat use to dairy, but this is not the forum to delve into this at length. (We will…

Article: Kashrus Q: What is the upshot of steam?

Halachah considers Zeiah (steam or vapor) generated by high temperatures to fall under the same category as the food that emits it, whether what’s cooking is solid or liquid: A Fleishig (meat)…

If someone takes a plastic gallon of water and pours water into a cooking Cholent does the water bottle become Fleishig? If they took the same water and poured it into the Keurig machine while cold is there any problem? The water being poured was always cold.

If there was hot steam coming out of the Cholent when the water was poured (and still hot when reaching the bottle) then the bottle is Fleishig and this…

Article: Are Public Hot-Water Urns Kosher?

A hot water urn that is available for public use in a place of business, work or school cafeteria or an airline kitchen may become Treif (non-kosher) when it comes…