Exodus 12:20

12:20 You will not eat anything made with yeast; in all the places where you live you must eat bread made without yeast.’”

Exodus 13:6

13:6 For seven days you must eat bread made without yeast, and on the seventh day there is to be a festival to the Lord.

Exodus 12:8

12:8 They will eat the meat the same night; they will eat it roasted over the fire with bread made without yeast and with bitter herbs.