For anyone lucky enough to have eaten at Han's Barbecue in OKC about 20 years ago they would remember their BBQ sauce...still the best I've ever had. Han's closed about 20 years ago and I've been trying to duplicate their sauce ever since but really haven't come very close.
The sauce was very thin which originally made me believe it was a vinegar based sauce but now I'm not so sure...certainly nothing like any carolina BBQ sauce I've ever tasted. The sauce was fairly sweet at the start and then it would set your mouth on fire if you got the hotter sauce. The sauce would leave your plate totally red unlike what a thicker tomato based sauce would do.
If anyone knows of a sauce like this that I could buy on the open market please let me know....even better if someone has a recipe that would be close to it.