blue-plate
/ˈbluːpleɪt/adjective
attrib.
- N. Amer. (of a restaurant meal) consisting of a full main course ordered as a single menu item〈北美〉蓝盆（指餐馆菜单上的套餐）。
词源
with reference to the original blue plates divided into compartments, on which fixed-price restaurant meals were served.