Exodus 23:18
Do not give the blood of my offering with leavened bread; and do not let the fat of my feast be kept all night till the morning.
Exodus 34:25
No leaven is to be offered with the blood of my offering, and the offering of the Passover feast may not be kept till the morning.
Leviticus 2:11
No meal offering which you give to the Lord is to be made with leaven; no leaven or honey is to be burned as an offering made by fire to the Lord.
Deuteronomy 16:4
For seven days let no leaven be used through all your land; and nothing of the flesh which is put to death in the evening of the first day is to be kept through the night till morning.
Exodus 12:8
And let your food that night be the flesh of the lamb, cooked with fire in the oven, together with unleavened bread and bitter-tasting plants.
Exodus 12:10
Do not keep any of it till the morning; anything which is not used is to be burned with fire.
Exodus 12:15
For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
Leviticus 7:15
And the flesh of the praise-offering is to be taken as food on the day when it is offered; no part of it may be kept till the morning.
Leviticus 7:12
If any man gives his offering as a praise-offering, then let him give with the offering, unleavened cakes mixed with oil and thin unleavened cakes covered with oil and cakes of the best meal well mixed with oil.