'Unleavened' in the Bible
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.
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.
So keep the feast of unleavened bread; for on this very day I have taken your armies out of the land of Egypt: this day, then, is to be kept through all your generations by an order for ever.
In the first month, from the evening of the fourteenth day, let your food be unleavened bread till the evening of the twenty-first day of the month.
Take nothing which has leaven in it; wherever you are living let your food be unleavened cakes.
And they made unleavened cakes from the paste which they had taken out of Egypt; it was not leavened, for they had been sent out of Egypt so quickly, that they had no time to make any food ready.
For seven days let your food be unleavened cakes; and on the seventh day there is to be a feast to the Lord.
Unleavened cakes are to be your food through all the seven days; let no leavened bread be seen among you, or any leaven, in any part of your land.
You are to keep the feast of unleavened bread; for seven days let your bread be without leaven, as I gave you orders, at the regular time in the month Abib (for in it you came out of Egypt); and let no one come before me without an offering:
And unleavened bread, and unleavened cakes mixed with oil, and thin unleavened cakes on which oil has been put, made of the best bread-meal;
And take one bit of bread and one cake of oiled bread and one thin cake out of the basket of unleavened bread which is before the Lord:
Keep the feast of unleavened bread; for seven days your food is to be bread without leaven, as I gave you orders, at the regular time in the month Abib; for in that month you came out of Egypt.