Joshua 5:11

and they eat of the old corn of the land on the morrow of the passover, unleavened things and roasted corn, in this self-same day;

Leviticus 23:14

And bread and roasted corn and full ears ye do not eat until this self-same day, until your bringing in the offering of your God -- a statute age-during to your generations, in all your dwellings.

Exodus 12:18-20

In the first month, in the fourteenth day of the month, in the evening, ye do eat unleavened things until the one and twentieth day of the month, at evening;

Exodus 13:6-7

Seven days thou dost eat unleavened things, and in the seventh day is a feast to Jehovah;

Leviticus 23:6

and on the fifteenth day of this month is the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;

Treasury of Scripture Knowledge

Summary

And they did eat of the old corn of the land on the morrow after the passover, unleavened cakes, and parched corn in the selfsame day.

General references

Bible References

Unleavened cakes

Exodus 12:18
In the first month, in the fourteenth day of the month, in the evening, ye do eat unleavened things until the one and twentieth day of the month, at evening;
Exodus 13:6
Seven days thou dost eat unleavened things, and in the seventh day is a feast to Jehovah;
Leviticus 23:6
and on the fifteenth day of this month is the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;

General references

Leviticus 26:10
and ye have eaten old store, and the old because of the new ye bring out.