Jiānbing with Huǒtuǐ (煎饼火腿) is the jianbing built with a slice of ham added inside, a single protein addition that turns the street crepe from a starch-and-egg wrap into something closer to a full handheld meal. The angle is what one slice of cured, salty meat does to the balance of an assembly that was already complete without it. The base jianbing leans on egg, sauce, herb, and a crisp core; dropping in ham adds salt, savor, and chew, and the rest of the build has to make room for it without the sauce and the meat fighting over the same salty register. Get it right and the ham reads as a clean savory layer threaded through the crepe. Get it wrong and the wrap goes flat and oversalted, or the ham sits as a cold, separate slab the fold never integrates.
The build is the standard jianbing routine with the ham worked into the layering. A thin mung bean and wheat batter is spread on a hot griddle into an even circle, an egg is cracked on and smeared flat to bond into the crepe, and the disc is turned and painted with sweet fermented flour paste, tiánmiànjiàng, a fermented bean or sesame note, and chili sauce, then scattered with scallion and cilantro. A slice of ham, often a soft pink sandwich-style ham, is laid onto the crepe, sometimes warmed on the griddle so it is not a cold inclusion in a hot wrap. A crisp interior, a thin deep-fried cracker, báocuì, or a length of fried dough stick, yóutiáo, goes in, and the crepe is folded into a hand parcel. Good execution shows the ham warmed and laid flat so it bonds into the stack, its salt accounted for by easing the sauce so the wrap is not doubly salted, and the crisp core still audible against the added chew. Sloppy work is specific: a cold slab of ham that the hot crepe never marries, a sauce hand left unchanged so the salt stacks and flattens everything, or a thick fold of meat that throws off the crepe-to-filling ratio and makes the wrap heavy.
It shifts mostly by the ham used and by what else is layered with it. A leaner, firmer ham reads as a distinct slice; a softer one melts more into the crepe; some stalls pair the ham with an extra egg to balance the salt with richness, which pushes it toward the double-egg build. The crisp interiors, báocuì and yóutiáo, are components with their own articles, and the double-egg, black-sesame, and heavier-chili forms each define a further named variant. Those each deserve their own treatment rather than being crowded in here, while this entry stays on the ham and the savory, meal-sized turn it gives the standard jianbing.