Matthew 13:33

Then He told them another parable: "The kingdom of heaven is similar to yeast, which a woman worked into a batch of dough [i.e., the amount was over half a bushel], until [the dough] was completely leavened [by it]."

1 Timothy 4:4

For everything created by God is permitted [to be eaten] and nothing should be refused, if it is received with gratitude,

Treasury of Scripture Knowledge

Summary

Besides the cakes, he shall offer for his offering leavened bread with the sacrifice of thanksgiving of his peace offerings.

Bible References

Leavened

Matthew 13:33
Then He told them another parable: "The kingdom of heaven is similar to yeast, which a woman worked into a batch of dough [i.e., the amount was over half a bushel], until [the dough] was completely leavened [by it]."
1 Timothy 4:4
For everything created by God is permitted [to be eaten] and nothing should be refused, if it is received with gratitude,