Exodus 23:18
You shall not offer the blood of my sacrifice with leavened bread; neither shall the fat of my sacrifice remain until the morning.
Exodus 34:25
You shall not offer the blood of my sacrifice with leaven; neither shall the sacrifice of the feast of the passover be left unto the morning.
Leviticus 2:11
No grain offering, which you shall bring unto the LORD, shall be made with leaven: for you shall burn no leaven, nor any honey, in any offering of the LORD made by fire.
Deuteronomy 16:4
And there shall be no leavened bread seen with you in all your territory seven days; neither shall there any part of the flesh, which you sacrificed the first day at evening, remain all night until the morning.
Exodus 12:8
And they shall eat the flesh in that night, roasted with fire, and unleavened bread; and with bitter herbs they shall eat it.
Exodus 12:10
And you shall let nothing of it remain until the morning; and that which remains of it until the morning you shall burn with fire.
Exodus 12:15
Seven days shall you eat unleavened bread; even the first day you shall put away leaven out of your houses: for whosoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Leviticus 7:15
And the flesh of the sacrifice of his peace offerings for thanksgiving shall be eaten the same day that it is offered; he shall not leave any of it until the morning.
Leviticus 7:12
If he offers it for a thanksgiving, then he shall offer with the sacrifice of thanksgiving unleavened cakes mixed with oil, and unleavened wafers anointed with oil, and cakes mixed with oil, of fine flour, fried.