Genesis 25:34

And Jacob gave Esau bread and stew of lentils; then he ate and drank, arose, and went his way. Thus Esau despised his birthright.

Surrounding context

25:33 Then Jacob said, "Swear to me as of this day." So he swore to him, and sold his birthright to Jacob.

25:34 And Jacob gave Esau bread and stew of lentils; then he ate and drank, arose, and went his way. Thus Esau despised his birthright.