Default (Q) Create A Custom Rom From Nandroid Backup?

I have android kitchen and etc.. But Anyway I planning on making a custom rom... But I need to know how to make a rom from the Nandroid Backup? I Made alot of Modifications and everything... I just need to how and what to do... i have...
  • Boot.img
  • Cache.ext4.tar
  • cache.ext4.tar.a
  • data.ext4.tar
  • data.ext4.tar.a
  • nandroid.md5
  • recovery.img
  • recovery.log
  • system.ext4.tar
  • system.ext4.tar.a
  • system.ext4.tar.b
  • system.ext4.tar.c

Any Help plz?