Reminder: Make an Eruv Tavshilin Today


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By Rabbi Tzvi Rosen

A fundamental difference between Yom Tov observance and Shabbos observance is the allowance of ochel nefesh, food preparation on Yom Tov. “Ach Asher Yei’achel L’Chol Nefesh Hu Levado Yei’aseh Lachem…1 The Torah permits us to cook, bake, and prepare food onYom Tov proper, in order to eat the prepared food on that day of Yom Tov. One is not permitted to prepare from one day of Yom Tov for the second day of Yom Tov or for after Yom Tov. This prohibition of hachana, of preparing from one day of Yom Tov to the next, presents a problem when the second day of Yom Tov falls out on Shabbos or when Shabbos follows a two day sequence of Yomim Tovim. Can one halachically prepare food on Yom Tov for the Shabbos Yom Tov or for Shabbos?

To deal with this issue our Rabbis instituted a procedure known as eruv tavshilin2. The process of eruv tavshilin works in the following manner. On Erev Yom Tov, the head of the household, or his designee, should set aside a baked item such as bread or matzoh, and a cooked item such as meat, fish, or eggs (i.e. a food that is eaten along with bread). Each item should be at least the size of one kezayis, preferably the size of one beitzah. He or she should then recite the blessing of “Baruch…Al Mitzvas Eruv” and the proclamation, both found in the Siddur. This proclamation states that the cooked and baked items should permit us to continue baking, cooking, lighting a flame from an existing fire and do all the necessary preparations from Yom Tov proper to Shabbos. It is now viewed as though meal preparations for Shabbos have already begun before Yom Tov and Shabbos meal preparations may continue on Friday Yom TovErev Shabbos.

Once done, the eruv covers all household members and guests.

The foods set aside for the eruv should be saved and may be eaten on Shabbos.

If one forgot to make an eruv tavshilin one should consult a competent Rabbinical authority for further instructions.


1. Shmos 12:16

2. Orach Chaim 527

Rabbi Rosen is a Star-K Kashrus Administrator and Editor of Kashrus Kurrents.

Courtesy of Star K.

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  1. If you’re afraid that you’ll forget tomorrow, you should make an eiruv today without a bracha and with a tnai that if you remember, you’ll do it before Yomtov, which is the lechatchila, and then you can make a bracha erev yomtov. See OC 527. Just make sure the food will last till Shabbos.

  2. The shulchan aruch says it is preferable to use fish or meat. In Europe, where they were concerned that the meat or fish will spoil before Shabbos, used eggs. As such, eggs are not on the same level as fish or meat regarding Eruv Tavsheilin. Bread is as good as matzah, and the bread/matzah is only as a chashash for shitas R Tam, but is not the same level requirement as the cooked item. I marvel when people make themselves crazyto have eggs and matzah.