Exodus 12:39
And they baked unleavened cakes of the dough which they brought forth out of Egypt, for it was not leavened; because they were thrust out of Egypt, and could not tarry, neither had they prepared for themselves any victual.
Cross-reference
Exodus 12:33 explains the Egyptians' urgency to expel Israel, which caused the haste and unleavened bread here.
Exodus 6:1 promised Pharaoh would drive Israel out with a strong hand — here they are thrust out in haste, fulfilling that word.
Exodus 11:1 predicted Pharaoh would drive them out completely — this verse describes that very expulsion in haste.
Exodus 3:20 promised God would strike Egypt and Pharaoh would let them go — leading to this hurried departure, though not explicitly 'drive out'.
Deuteronomy 16:3 commands eating unleavened bread as 'bread of affliction' because you came out in haste — directly recalling this event.
Isaiah 52:12 promises a new exodus without haste — contrasting with the first exodus here, which was in haste.