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.
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 12:10
Do not keep any of it till the morning; anything which is not used is to be burned with fire.
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 12:20
Take nothing which has leaven in it; wherever you are living let your food be unleavened cakes.
Exodus 29:34
And if any of the flesh of the offering or of the bread is over till the morning, let it be burned with fire; it is not to be used for food, for it is holy.
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.
Numbers 9:12
Nothing of it is to be kept till the morning, and no bone of it is to be broken: they are to keep it by the rules of the Passover.
Deuteronomy 16:3
Take no leavened bread with it; for seven days let your food be unleavened bread, that is, the bread of sorrow; for you came out of the land of Egypt quickly: so the memory of that day, when you came out of the land of Egypt, will be with you all your life.
1 Corinthians 5:7-8
Take away, then, the old leaven, so that you may be a new mass, even as you are without leaven. For Christ has been put to death as our Passover.