Jiǔcài Xiàn Bǐng (韭菜馅饼) is the chive-stuffed flatbread, a flat round of wheat dough sealed around a filling led by Chinese chives and griddled until both faces brown. The angle is letting one pungent vegetable carry the whole pie. Chinese chives are assertive, garlicky, and grassy, and unlike the milder cabbage version this xiàn bǐng is built around their flavor rather than tempering it, so the craft is keeping the chive bright and aromatic, controlling its moisture so it does not steam the skin soft, and binding it just enough that it holds without going to mush.
The build is a wrapped pie, not a folded one. Soft wheat dough is rested until it stretches, then divided and flattened into rounds. The chives are washed, dried thoroughly, and chopped, then dressed with oil and salt and often a small amount of egg or soaked glass noodles to absorb moisture and add body, sometimes a little dried shrimp or pork where the version is not meatless. The oil coats the chive before salt so it does not draw water too early. A portion of filling sits in the center, the dough is gathered up and pinched shut, and the sealed ball is pressed gently flat for even cooking. It goes onto a hot, lightly oiled griddle seam-side down first to set the closure, then it is turned until both faces carry brown spots and the skin firms. Good execution shows a thin skin that crackles at the edge, a filling that is intensely green and fragrant with the chives still distinct, and a base browned rather than scorched. The failure modes are specific: undried chives weep and turn the inside to a watery slurry that steams the dough soft, an overstuffed pie splits on the pan and welds to it, salting too early collapses the chive to a dull paste, and too much bench flour leaves the skin chalky.
It shifts mostly by what supports the chive and how the moisture is managed. The leanest version is nearly all chive with only oil and salt, the most direct expression of the vegetable; vermicelli folded in soaks juice and gives a springy bite, while egg softens the edge for those who find pure chive too sharp. Adding dried shrimp or a little minced pork deepens the savor where a meatless build is not required. The same pinch-and-griddle method spans cabbage, fennel, and beef-and-onion fillings, each its own preparation rather than crowded in here, and the chive-and-egg build is its own close relative. What anchors this one is the chive as the dominant flavor, a single pungent green carried by a thin, hard-griddled skin with just enough binder to hold it together.