New Living Translation
Then at last they understood that he wasn’t speaking about the yeast in bread, but about the deceptive teaching of the Pharisees and Sadducees.

American Standard Version
Then understood they that he bade them not beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

Berean Study Bible
Then they understood that He was not telling them to beware of the leaven used in bread, but of the teaching of the Pharisees and Sadducees.

Douay-Rheims Bible
Then they understood that he said not that they should beware of the leaven of bread, but of the doctrine of the Pharisees and Sadducees.

English Revised Version
Then understood they how that he bade them not beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

King James Bible
Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.

World English Bible
Then they understood that he didn't tell them to beware of the yeast of bread, but of the teaching of the Pharisees and Sadducees.

Young's Literal Translation
Then they understood that he did not say to take heed of the leaven of the bread, but of the teaching, of the Pharisees and Sadducees.

Matthew 16:12 Additional Translations ...