A great wonton egg drop soup isn’t just about the two main acts. The broth gets depth from soy sauce (light for saltiness, dark for color), a splash of rice vinegar for brightness, and sometimes a knob of smashed ginger that’s fished out before serving.
Green onions are almost mandatory—sliced thinly and scattered on top for a fresh, sharp finish. You’ll also see white pepper used more than black; it adds a distinctive, peppery heat without overwhelming the subtle flavors. A drizzle of sesame oil right before serving is the final flourish.
For texture, some versions add a handful of frozen peas or corn kernels. Others toss in sliced mushrooms or bok choy for extra greens. The beauty is that it’s endlessly adaptable—just keep the broth clear and the wontons center stage.