English: One who kneaded dough on erev Yom Tov and did not separate its challah — it is forbidden to separate on Yom Tov, because of “no work shall be done on them.”
Type of Learning
Separating challah counts as melachah when the dough was ready before Yom Tov.
What Is Learned
Challah that could have been separated before Yom Tov may not be separated on Yom Tov.