TSK · Exodus 13:7

Seven days shall there be no leaven found in your houses: for whosoever eateth that which is leavened, that soul shall be cut off from the congregation of Israel, whether he be a sojourner, or one that is born in the land.

And they did eat of the produce of the land on the morrow after the passover, unleavened cakes and parched grain, in the selfsame day.