[Q] going back to stock after the 4.3 OTA update topic

I'm currently running beanstalk 4.4.1 rooted with twrp installed. I did the 4.3 OTA update before I went with the custom roms.
what is my options as far as going back to stock 4.3? I've read several threads but non of them were the exact scenario that im in. Any help is appreciated.