דבר חריף Archives

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…

If a clean fleishik knife that is a ben yomo just cut onions and was then put in a blender filled with oranges. Is the status of the blender now Fleishig?

In my response I will assume, though this was not specified clearly, that the blender was originally Pareve. L’chatchilla you should treat the blender as though it has become…

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…

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