There are all different kinds of kimchi you can go for here, as this term refers to a classic Korean side made from fermented veggies. But for the purposes of jazzing up your barbecue sauce ...
Ssamjang is the sauce used for Korean wraps. It’s pungent, and a little goes a long way. Put the doenjang, gochujang, corn syrup and sesame oil into a small pan and place it over a low flame.