'Yeast' in the Bible

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.

You must eat unleavened bread for seven days. On the first day you must remove yeast from your houses. Whoever eats what is leavened from the first day through the seventh day must be cut off from Israel.

In the first month, from the fourteenth day of the month, in the evening, you will eat bread made without yeast until the twenty-first day of the month in the evening.

Yeast must not be found in your houses for seven days. If anyone eats something leavened, that person, whether a foreign resident or native of the land, must be cut off from the community of Israel.

You will not eat anything made with yeast; in all the places where you live you must eat bread made without yeast.'"

So the people took their dough before the yeast was added, with their kneading troughs bound up in their clothing on their shoulders.

The people baked the dough they had brought out of Egypt into unleavened loaves, since it had no yeast; for when they had been driven out of Egypt they could not delay and had not prepared any provisions for themselves.

Moses said to the people, "Remember this day on which you came out from Egypt, from the place where you were enslaved, for the Lord brought you out of there with a mighty hand -- and no bread made with yeast may be eaten.

For seven days you must eat bread made without yeast, and on the seventh day there is to be a festival to the Lord.

Unleavened bread is to be eaten for those seven days. Nothing leavened may be found among you, and no yeast may be found among you in all your territory.

You are to observe the Feast of Unleavened Bread; seven days you must eat bread made without yeast, as I commanded you, at the appointed time of the month of Abib, for at that time you came out of Egypt. No one may appear before me empty-handed.

"You must not offer the blood of my sacrifice with bread containing yeast; the fat of my festal sacrifice must not remain until morning.

and bread made without yeast, and perforated cakes without yeast mixed with oil, and wafers without yeast spread with oil -- you are to make them using fine wheat flour.

and one round flat cake of bread, one perforated cake of oiled bread, and one wafer from the basket of bread made without yeast that is before the Lord.

"You must keep the Feast of Unleavened Bread. For seven days you must eat bread made without yeast, as I commanded you; do this at the appointed time of the month Abib, for in the month Abib you came out of Egypt.

"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.