Exodus 23:18
“You must not offer the blood of My sacrifices with anything leavened. The fat of My festival offering must not remain until morning.
Exodus 34:25
“Do not present
Leviticus 2:11
“No grain offering that you present to the Lord is to be made with yeast, for you are not to burn
Deuteronomy 16:4
No yeast is to be found anywhere in your territory for seven days, and none of the meat you sacrifice in the evening of the first day is to remain until morning.
Exodus 12:8
They are to eat the meat that night; they should eat it, roasted over the fire along with unleavened bread and bitter herbs.
Exodus 12:10
Do not let any of it remain until morning;
Exodus 12:15
You must eat unleavened bread for seven days. On the first day you must remove yeast
Leviticus 7:15
The meat of his thanksgiving sacrifice of fellowship must be eaten on the day he offers it;
Leviticus 7:12
If he presents it for thanksgiving, in addition to the thanksgiving sacrifice,