Undressed has two food meanings. It can mean still awaiting full preparation for cooking or eating — a salad undressed awaits its vinaigrette, a carcass undressed awaits butchering. More commonly it means served without a dressing or sauce: an undressed salad is simply the leaves and vegetables, the diner adding oil or dressing to taste. Serving salads undressed is practical in catering, letting guests control richness and accommodating dietary needs, and it keeps delicate leaves crisp until the last moment. The word’s plainness is the point — undressed food makes no claims, offering the unadorned ingredient for the eater to finish.