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
Woolton pie very scarce supply, but that still did not overcome traditions of meat pies. Woolton pie, entirely lacking meat, was not universally well received. An editorial in "The Times" commented: Professor John Fuller has noted that Woolton pie and similar wartime austerity dishes "were forgotten as quickly as possible when conditions returned to normal". (One notable exception to this pattern is carrot cake which, while not invented during the war, was popularised in the United Kingdom during that period because it used the widely available root vegetable in place of some of the scarce flour, fat and sugar found in other