The Targum Pseudo-Jonathan quietly drops a cosmic detail into the meal. When Isaac asks for wine, the Hebrew text does not explain where it comes from. The Targum does. "He had no wine; but an angel prepared it for him, from the wine which had been kept in its grapes from the days of the beginning of the world; and he gave it into Jakob's hand" (Genesis 27:25).
The wine Jacob pours for his father is not wine from the pantry. It is yayin ha-meshumar b'anavav — the wine preserved in its grapes from the six days of creation.
The hidden wine
This is one of the most mystical images in rabbinic literature. The Talmud in Berakhot 34b mentions the yayin ha-meshumar — the wine stored away since creation, reserved for the righteous in the world-to-come. It is the drink of the messianic banquet. It has been aging, in the rabbinic imagination, since the world was six days old.
And on Pesach night in Isaac's tent, an angel brings some to Jacob.
What does the Targum mean by this? That this blessing is not a human transaction. The bread Rebekah prepared came from her hands. The garments came from Adam. The wine comes from Heaven. Every element of the blessing is drawn from a different dimension of sanctity, layered on a single night.
Why the wine matters
Wine, in Jewish tradition, is the language of sanctification. Shabbat begins with wine. Havdalah ends with wine. The kos shel bracha lifts every joy. When an angel pours the hidden wine into Jacob's hand, the Targum is telling us that the blessing Isaac is about to give is sanctified wine — consecrated before the world began — arriving, finally, at the right cup.
The takeaway: some blessings have been waiting since creation for the right hand.