Genesis 3

6 And when the woman saw that the tree was good for food, and that it was delightful to look at, and a tree to be desired in order to make one wise and insightful, she took some of its fruit and ate it; and she also gave some to her husband *3:6 This may have been sometime later. Jewish tradition said that Adam was absent at the time of Eve’s conversation with the serpent (according to the Talmud).with her, and he ate.