Page 357 - BERESHIT

tools of his trade. By adhering to the myriad of details in preparing
Yitzchak’s meal, Eisav would win the Divine favor he so desperately
needed in order to receive the berachot.
Eisav is also called Edom, signifying his red, almost bloody complexion.
Some explain that at birth, the redness of his skin prevented Yitzchak from
giving Eisav a brit milah. Thus Yitzchak knew that Eisav lacked the merit
of a brit milah, and searched for a different merit which would award him
the Divine blessings.
One who has stronger tendencies towards evil has the ability to harness
those same powers for good and turn them into sources of merit. Yitzchak
knew that Eisav had tremendous potential, especially in the realm of
honoring his parents, and wanted to channel that energy to a meritorious
venue.

“Now Rivka was listening as Yitzchak spoke to
Eisav his son; and Eisav went to the field to
hunt game to bring. But Rivka had said to
Yaakov her son, saying, ‘Behold I heard your
father speaking to your brother Eisav
saying…’”

(Bereishit 27:5-6)