Must the eruv bread be a whole loaf, and how does the Rema's custom of baking a communal challah affect this?
Synopsis
The Mechaber holds that each participant must contribute a whole loaf (not a slice). The Rema records a widely-adopted custom of gathering flour from each household, baking one whole challah, and using that as the communal eruv.
More in Multiple Openings in an Alleyway
What is the rabbinic requirement for an eruv chatzeirot (courtyard eruv), and what is its rationale?
3 opinions
Do residents of tents, booths, or a military camp require an eruv, and what about a caravan?
4 opinions
In which type of house must the eruv be placed, and what are the minimum requirements for that house?
5 opinions
Must all the eruv bread be placed in a single vessel, and what if it is divided between two vessels?
3 opinions
Must eruv participants not mind if others eat the eruv bread? What if the owner objects?
1 opinions
If one person contributes the eruv on behalf of all residents, may a slice be used?
1 opinions
What types of bread are valid for eruv chatzeirot?
1 opinions
Can one resident contribute the eruv on behalf of all others, and how must the zikui (conferral of ownership) be performed?
1 opinions
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When whole and broken bread of the same type are present, which should one recite the blessing on?
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Must one leave bread crumbs on the table, and is it forbidden to bring a whole loaf to the table?
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When a Kohen eating challah (terumah) and an Israelite eating gentile bread (pat akum) dine together, may they combine for zimun?
Birkat HaMazon — Further Laws
Is there a custom to bake challah at home for Shabbat, and is it obligatory?
Honoring and Enjoying Shabbat
Is there bishul achar afiya (cooking after baking) — is it forbidden to place bread or baked goods in hot liquid on Shabbat?
Cooking on Shabbat
Discussion
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