Rinse and dry then pick the parsley then add to the mixing bowl.
Peel and quarter the onion. Add them into the mixing bowl and chop for 5 seconds / speed 6. Use the spatula to scrape down the sides of mixing bowl.
Add butter and melt for 1 minute / 140°F|60°C / speed 2.
Sauté the onion for 5 minutes / 250°F|120°C.
Add meat, salt and pepper. Add Madeira as optional. Chop all the ingredients finely for 15 seconds / speed 8. Place to one side in a small bowl and wash the mixing bowl.
Attach the butterfly whisk into mixing bowl to mash the potatoes. Peel potatoes and cut them into 3 or 4 cm cubes. Add potato cubes, milk, salt, and pepper. With the measuring cup inserted, cook for 25 minutes / 212°F|100°C / speed 1.
Just before it has finished cooking, preheat the oven (428°F|220°C) and butter a baking dish. Remove the butterfly whisk and mix for 40 seconds / speed 4.
Add the chopped meat to the baking dish and then cover it with the mashed potatoes. Sprinkle the breadcrumbs or shredded cheese on top. Bake for 20 minutes.
Serve the dish hot from the oven with a green salad. Enjoy your dish!