Ponzu-Ginger Dipping Sauce

[Photograph: Vicky Wasik]

This no-cook dipping sauce features ponzu, the citrus- and soy-spiked Japanese sauce, that's enlivened with ginger, scallions, and sesame oil. It's reminiscent of teriyaki, but substantially more complex. Try it with dumplings, simply cooked chicken, or steamed or roasted fish.