Halacha Yomis - fleishig onion, pareve food processor OU Kosher Halacha Yomis This column is dedicated in memory of: Rav Chaim Yisroel Belsky, zt'l Senior OU Kosher Halachic Consultant (1987-2016)

cut an onion with a fleishig knife and then accidentally put the onion into my pareve food processor. Is my food processor still pareve, or does it need to be kashered? There is a disagreement among poskim as to the status of this food processor. The Magen Avrohom (451:31) writes that if one cut a spicy food, such as ginger, with a fleishig knife, and then crushed the ginger in a grinder, the grinder would become fleishig. Subsequent spicy foods that are put in the grinder will become fleishig as well. However, the Even Ha’ozer (Y.D. 96:3) disagrees, and shows that most poskim hold that the food processor remains pareve. The accepted position is that the food processor remains pareve, however it is considered praiseworthy to kasher the blade of the food processor.