I like the sauce using
1 can diet coke with splenda
1 cup ketchup
1tbspn chili powder
1tbspn onion powder
1 tbspn garlic salt
(sorry okie) tspn liquid smoke hickory flavor
and a dash of lea&perrins steak sauce.
Sometimes add a tbspn mustard.
Bring to slow boil,reduce heat to simmer and let simmer and stir till desired thickness.
My girlfriend is diabetic and we watch & try a lot of different stuff.