Shepherd’s pie started as an old English recipe. The pie gained ___POPULAR___ in the middle ages. During the reign of Elizabeth I, mince meat pie became a must-have food, probably, because it was easy to cook, ___HEALTH___ and tasty. Until the 16th century potatoes were ___MAIN___ known as pig food. But later they were accepted as a ___BASE___ food in Europe. The Shepherd’s pie recipe changed to include potatoes as an ingredient. And the fame of the dish doubled. Now Shepherd’s pie is considered to be a ___TRADITION___ British food but similar recipes can be found in other countries, although they may have different names. In Canada, for example, a ___WAIT___ in a restaurant would present it to tourists as Chinese pie.