Rig a steamer in a large pot over an inch of water; bring to a boil and reduce to a simmer. Meanwhile, add the lime juice to the remaining soy mixture to make a dipping sauce.
04Put as many dumplings in the steamer as you can fit in a single layer and cover the pot. Cook until the exposed filling turns pink and the wrappers are tender, 4 to 6 minutes, then transfer the dumplings to a serving platter. Repeat with the remaining dumplings. Serve with the dipping sauce.