Joshua 5:11
On the day after Passover, on that very day, they ate some of the produce of the land, unleavened bread, and roasted grain.
Leviticus 23:14
You shall not eat any bread or roasted grain or new growth, until this same day when you bring in the offering to your God; it is a permanent statute throughout your generations wherever you may be.
Exodus 12:18-20
In the first month, on the fourteenth day of the month at evening, you shall eat unleavened bread, [and continue] until the twenty-first day of the month at evening.
Exodus 13:6-7
For seven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord.
Leviticus 23:6
The Feast of Unleavened Bread to the Lord is on the fifteenth day of the same month; for seven days you shall eat unleavened bread.