To the basic meat recipe may be added many other ingredients
such as mushrooms, tomatoes, garlic, etc.
To the potato may be added garlic, spring onions, chopped
parsley, sundried tomatoes etc or cheese may be sprinkled
over the potato before gratinée.
It is worth noting that Shepherds pie is made with minced
lamb not beef. Cottage pie is made with minced beef .
. . shepherd's looking after sheep not cows.