Exodus 23:18
"Thou shalt not offer the blood of my sacrifice with leavened bread; neither shall the fat of my feast remain until the morning.
Exodus 34:25
"Thou shalt not offer the blood of my sacrifice with leavened bread: neither shall ought of the sacrifice of the feast of Passover, be left unto the morning.
Leviticus 2:11
"'All the meat offerings which ye shall bring unto the LORD shall be made without leaven. For ye shall neither burn leaven nor honey in any offering of the LORD.
Deuteronomy 16:4
And see that there be no leavened bread seen in all thy coasts seven days long, and that there remain nothing of the flesh which thou hast offered the first day at evening, until the morning.
Exodus 12:8
And they shall eat the flesh the same night, roast with fire, and with unleavened bread, and with sour herbs they shall eat it.
Exodus 12:10
And see that ye let nothing of it remain unto the morning: if ought remain, burn it with fire.
Exodus 12:15
Seven days shall ye eat unleavened bread, so that even the first day ye shall put away leaven out of your houses. For whosoever eateth leavened bread from the first day until the seventh day, that soul shall be plucked out from Israel.
Leviticus 7:15
And the flesh of the thank offering of his peace offerings shall be eaten the same day that it is offered, and there shall none of it be laid up until the morning.
Leviticus 7:12
If he offer to give thanks, he shall bring unto his thank offering: sweet cakes mingled with oil and sweet wafers anointed with oil, and cakes mingled with oil of fine flour fried,