Now the Festival of Unleavened Bread, which is called the Passover, was approaching. [Note: This was the annual Jewish festival commemorating Israel’s deliverance from Egyptian bondage under Moses’ leadership].
So Judas consented [to their offer] and looked for a [good] opportunity to turn Jesus over to them [i.e., the Jewish leaders] when the crowd was not present.
Get rid of the old yeast [i.e., of sin, and especially the unrepentant sinner], so that you can be a new batch of dough, without yeast in it [i.e., a godly church without unrepentant sinners in it] as [I know] you really are. For our Passover [Lamb], Christ, has already been sacrificed.