Did saul sell his birthright for some food?

No, Saul did not sell his birthright for food; it was his brother Jacob who did so. In the biblical story found in Genesis 25:29-34, Jacob offered Esau, not Saul, a bowl of stew in exchange for his birthright, which Esau accepted due to his hunger. This act represents a significant moment in their relationship and is often cited as an example of valuing immediate gratification over long-term benefits.