Tatties are a traditional Scottish dish made with potatoes. They are boiled and mashed with butter, milk, and a pinch of nutmeg, then served with a variety of savory toppings. The dish is a popular side dish in Scotland, and is often served
From Wikipedia
Mince and tatties is a Scottish dish which consists of minced beef and mashed potato. Other vegetables or thickening agents are sometimes added to the dish as well. It was frequently served as part of school meals in Scotland during the 20th century.