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
Meat pie the modern day crust began to be used. Missionaries and explorers spread the meat-based pie dish across the globe. The English Pilgrims of the North American colonies brought the recipes across the ocean with them. The crust of the pie was useful to preserve food during the long winter months in America (just as the pies were used in antiquity). But the pie was not considered popular there until the 1800s, and today meat pies have lost their popularity to be replaced with sweet pies. The Natchitoches meat pie is one of the official state foods of the US state