What wake phrases can I use for hands-free voice activation?

If you enable Always listen for the wake word in Profile → Voice search, you can say any of these three — "Hey Recipe", "Hey Recipe Filer", or "Hey Filer" — anywhere on the site and the voice overlay opens instantly. The wake word is off by default because always-on listening uses a little extra battery. Inside Kitchen View the wake word stands down so it never interferes with your cooking commands.