Deuteronomy 16:3-5

Amplified Bible, Classic Edition

³ You shall eat no leavened bread with it; for seven days you shall eat it with unleavened bread, the bread of affliction—for you fled from the land of Egypt in haste—that all the days of your life you may [earnestly] remember the day when you came out of Egypt.

⁴ No leaven shall be seen with you in all your territory for seven days; nor shall any of the flesh which you sacrificed the first day at evening be left all night until the morning.

⁵ You may not offer the Passover sacrifice within any of your towns which the Lord your God gives you,