CM has "advanced reboot" built in, enable this feature in Developer Options, hold POWER key, choose Reboot and you'll see the option to reboot into recovery.
If you're not using a touch recovery, you might still have to flash one, in case some actions require both volume keys.
Sent from Google Nexus 4 @ CM11
Google Nexus 4 (CM11 Nightly)
Motorola Droid RAZR M (CM11 Nightly for JB BL)
Sony Xperia SP (CM11 Nightly)
Google Nexus 7 (2013, WiFi) (CM11 Nightly)
Samsung Galaxy Gear (Null_ Build 23)
Samsung Galaxy S WiFi 4.0 (CM10.2 Unofficial
Nokia N86 8MP (RM-484 30.009 Pre-Hacked)
Multi-core smartphones are like M&Ms:
They don't melt on the store shelf... Just in your hands.