Exodus 12:7 in the King James Version
And they shall take of the blood, and strike it on the two side posts and on the upper door post of the houses, wherein they shall eat it.
Context
6 You shall keep it until the fourteenth day of the same month; and the whole assembly of the congregation of Israel shall kill it at evening.
7 They shall take some of the blood, and put it on the two door posts and on the lintel, on the houses in which they shall eat it.
8 They shall eat the meat in that night, roasted with fire, with unleavened bread. They shall eat it with bitter herbs.