Exodus 12:15
12:15 For seven days you must eat bread made without yeast. Surely on the first day you must put away yeast from your houses because anyone who eats bread made with yeast from the first day to the seventh day will be cut off from Israel.
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.
Exodus 12:34
12:34 So the people took their dough before the yeast was added, with their kneading troughs bound up in their clothing on their shoulders.
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 23:18
23:18 “You must not offer the blood of my sacrifice with bread containing yeast; the fat of my festal sacrifice must not remain until morning.
Exodus 34:25
34:25 “You must not offer the blood of my sacrifice with yeast; the sacrifice from the feast of Passover must not remain until the following morning.