In Exodus 12, what did God command Israel to eat for seven days?

Answer: Unleavened bread

God commanded Israel to eat unleavened bread for seven days and keep the Feast of Unleavened Bread as a lasting statute.

“For seven days you must eat unleavened bread. On the first day you are to remove the leaven from your houses. Whoever eats anything leavened from the first day through the seventh must be cut off from Israel.”— Exodus 12:15 (BSB)