5-Ingredient Fix Contest Entry. A convenient and simple version of traditional Cottage (also known as Shepherd's) Pie. The term cottage pie has been in use since the late 1700's when the potato was being introduced as an edible crop. In early cookbooks, the dish was a way to use leftover roasted meat of any kind, and the pie dish was lined with mashed potato as well as having a mashed potato crust on top. This recipe is easy enough for older kids to make and Simply delicious !!