1 T orange zest, grated very fine
1/3 c soy
1/3 c cider vinegar
3 shake Franks Red Hot
3/4 c ketchup
1 T+ honey
I use a micro plane to make the zest.
Warm zest, vinegar, soy on a very low flame. I think the heat helps to release the essence of the zest's oils. At any rate it smells...