Squab pie chops. The mixture should be covered with water, though less than in some pies, covered with pastry and baked in the oven for about two hours. Within the UK, the most common variation is to use lamb instead of mutton. Gloucester Squab pie did not require lamb and suggests any leftover meat could be used. Other ingredients can be included, for example Agatha Christie produced a variant which included hard-boiled eggs and another recipe took the concept of serving with clotted cream and adds cream to thicken. Outside of England, the concept of squab pie does exist, but in a
Macaroni pie well known, filled with pigeon meat and truffles, comes from Ferrara, while also Rome (whose "pasticcio", filled with chicken innards and topped with cream, has a clear Renaissance origin) Naples and Sicily have their own version. In Scotland, macaroni pie is prepared by filling a Scotch pie shell with macaroni and cheese and baking it. Greggs previously sold it in Scotland, but stopped doing so in June 2015, which spurred an online campaign and petition for the company to return the dish. Several prominent Scottish politicians signed the petition, including Nicola Sturgeon, Ruth Davidson and Kezia Dugdale. In the United