Restoring Recovery HD to drive after backup

Hi,

I recently set up Full Disk Encryption on my MacBook Pro, and in the process of backing up and restoring the OS I wiped the Recovery HD. Here's what I did:

1) Cloned the system to a bootable USB drive using Carbon Copy Cloner

2) Booted to the Recovery HD on the MacBook Pro

3) Formatted the Boot partition as HFS Encrypted using Disk Utility

4) Mounted my MacBook Pro's drive on my Mac mini over FireWire using Target Disk Mode

5) Cloned the system back to the MacBook Pro using Carbon Copy Cloner

Just to clarify: this is an Apple-supported method for implementing Full Disk Encryption. On boot, you are asked for the password for the encrypted drive, and on correct entry you are presented with the Login Screen. This method is, for me, preferable to the method implemented through FileVault in the System Preferences because it doesn't require automatic login to a user account.

So, like I say in the subject, in the process of doing this I accidentally overwrote the Recovery HD. Now, I know it's possible to use the Recovery Disk Assistant to create a Recovery HD on an external drive, but given that this is a mobile device I'd rather it was on the boot drive itself.

Does anyone know how I can restore the Recovery HD without having to perform a clean install of the OS? The drive is an SSD, and I'd rather minimise the number of write operations necessary to solve this problem.

Thanks.