UnSoy Sauce

I have this amazing recipe for Cold Noodles with Szechuan Dressing. I made it last month and gave it to Anna to see what would happen. Well, she got allergic shiners - whether from the soy or the wheat in the soy sauce I used (or both), I don't know. But I really don't want to give up this recipe. So I went on a quest to make a soy sauce alternative. I sort of cobbled together ideas from a