5 minutes ago, liuzhou said:black rice vinegar, probably Zhenjiang vinegar (often known in the USA as Chinkiang vinegar), and perhaps dark soy sauce.
Thank you, I just happen to have both of these but the only thing that I don't have is garlic. As soon as I can get to the store I am going to try this and I will let you know how it turns out.
One interesting note, most of the garlic sold in Costa Rica now comes from China.