Exodus 23:18
"You must not offer the blood of my sacrifice with bread containing yeast; the fat of my festal sacrifice must not remain until morning.
Exodus 34:25
"You must not offer the blood of my sacrifice with yeast; the sacrifice from the feast of Passover must not remain until the following morning.
Leviticus 2:11
"'No grain offering which you present to the Lord can be made with yeast, for you must not offer up in smoke any yeast or honey as a gift to the Lord.
Deuteronomy 16:4
There must not be a scrap of yeast within your land for seven days, nor can any of the meat you sacrifice on the evening of the first day remain until the next morning.
Exodus 12:8
They will eat the meat the same night; they will eat it roasted over the fire with bread made without yeast and with bitter herbs.
Exodus 12:10
You must leave nothing until morning, but you must burn with fire whatever remains of it until morning.
Exodus 12:15
For seven days you must eat bread made without yeast. Surely on the first day you must put away yeast from your houses because anyone who eats bread made with yeast from the first day to the seventh day will be cut off from Israel.
Leviticus 7:15
The meat of his thanksgiving peace offering must be eaten on the day of his offering; he must not set any of it aside until morning.
Leviticus 7:12
If he presents it on account of thanksgiving, along with the thank offering sacrifice he must present unleavened loaves mixed with olive oil, unleavened wafers smeared with olive oil, and well soaked ring-shaped loaves made of choice wheat flour mixed with olive oil.