Shepherd's pie when the potato was being introduced as an edible crop affordable for the poor (cf. "cottage", meaning a modest dwelling for rural workers). The term "shepherd's pie" did not appear until 1854, and was used synonymously with cottage pie, regardless of whether the meat was beef or mutton. In the United Kingdom, the term "shepherd's pie" is now commonly used when the meat is lamb. In early cookery books, the dish was a means of using leftover roasted meat of any kind, and the pie dish was lined on the sides and bottom with mashed potato, as well as having
Pork pie were sweetened, often with fruit, and were meant to be eaten cold: the crust was discarded rather than being eaten. A particularly elaborate and spectacular recipe described in medieval recipe collection "The Forme of Cury" was a meat pie featuring a crust formed into battlements and filled with sweet custards, the entire pie then being served flambeed: a distant descendant of this dish, with hollow pastry turrets around a central pork pie, was still current in the 18th century under the name "battalia pie". Hannah Glasse's influential 1747 recipe collection included a recipe for a "Cheshire pork pie", having a