Cook the onion in the fat without coloring.
Add the minced cooked meat from which all fat and gristle has been removed.
Season and add sufficient sauce to bind.
Bring to the boil, simmer 10-15 min.
Place in a pie or earthenware dish.
Prepare the mashed potatoes and arrange neatly on top.
Brush with milk or eggwash.
Color lightly under a salamander or in a hot oven.
Serve on an oval silver flat dish accompanied with a sauce boat of demi glace.
The dish mat be prepared with cooked beef.