Shepherd's Pie is a traditional British comfort food dish made with a savory ground beef or lamb filling topped with mashed potatoes. The dish is typically baked in the oven until the potatoes are golden brown and the filling is bubbly. Shepherd's Pie is a hearty and flavorful dish
From Wikipedia
Pie and mash is a British working-class food, originating in the docks of London, considered "a Cockney classic". It typically consists of a minced beef pie served with mashed potato and a parsley sauce known as liquor, with malt vinegar or non-brewed condiment as a condiment. Pie and mash shops have been in London since the 19th century and are still common in East and South London, as well as many parts of Kent and Essex.