Tap along the top edge of the wrapper to fold a pleat. Twelve is the goal. Eleven is fine. Auntie loves you either way.
Filling, for the record: pork, napa cabbage salted and squeezed dry, ginger, white pepper, a spoon of sesame oil, a splash of Shaoxing, and whatever chives Mrs. Ochoa next door had extra this week. Vegetarian version on the blue plate. Do not touch the blue plate until Uncle has had some. He will pretend he doesn't want any.