Rosh Yeshiva Responds
Rabbi Linzer answers halakhic questions from rabbis and community members

2 04, 2025

Eating Egg Matzah On Erev Pesach

April 2nd, 2025|Kashrut, Orach Chayim, Pesach|

QUESTION

Riverdale, NY

Rav Linzer, If one is using egg matzah for lechem mishnah for Shabbat/Erev Pesach, can it be eaten after the point that one can no longer eat chameitz? Also, does one need to avoid putting egg matzah in hot soup (keli shelishi) on Shabbat Erev Pesach, if it’s in Pesach keilim?

ANSWER

(NOTE – All discussions of egg matzah here that are a problem only for Ashkenazim are egg matzahs that have

10 05, 2021

Does a Dammed River Have the Status of a Mikveh?

May 10th, 2021|Niddah, Yoreh De'ah|

QUESTION

Philadelphia, PA

Can a lake that was created by damming up a river be used as a keilim mikveh? The dam is that straight line at the bottom of the lake. The lake in question is called “Henion Pond.” You can see the two rivers/streams that lead into it.

 

ANSWER

First, there is no difference between the requirements for a keilim mikveh and one for a niddah, other than a keilim mikveh does not need 40 se’ah if we are dealing with מעיין (not rain water). In such a case, a keilim mikveh needs just enough to fully cover the keli.

5 12, 2020

Meat Deep Fryer for Pareve to Be Eaten With Dairy

December 5th, 2020|Kashrut, Yoreh De'ah|

QUESTION

What do you think about using a fleishig deep fryer at an event that hasn’t been used in a week with new oil for deep frying pareve things where dairy will be separately served? The event is a drive through where people will pick up pizza and then a few minutes later pick up something deep fried.

ANSWER

If we were to ignore the be’ein, then the rule is that a fleishig or milkhig keli eino ben yomo can be used lekhatchilah for something pareve, even if one is going