Challah

Challah ( ; , ; [c]hallot, [c]halloth or [c]hallos, ), also known as berches in Central Europe, is a special bread in Jewish cuisine, usually braided and typically eaten on ceremonial occasions such as Shabbat and major Jewish holidays (other than Passover and Yom Kippur).

Talmudic tractate about separating dough and giving it to the priests

special cloth used to cover the two braided loaves

biblical injunction to separate a tithe from bread