01 -
Preheat the oven to 180°C. Generously grease a large ovenproof casserole dish.
02 -
Arrange a quarter of the sliced potatoes in the bottom of the dish, followed by a third of the onions, carrots, and corned beef. Season lightly with salt and black pepper. Repeat two additional times, finishing with a final layer of potatoes on top.
03 -
Pour the beef stock evenly over the layered ingredients. Brush the top potato layer with melted butter.
04 -
Cover the dish with a sheet of parchment paper followed by foil. Bake in the preheated oven for 50 minutes.
05 -
Remove the parchment and foil. Continue baking for 15–20 minutes, or until the potatoes are golden and crisp on top.
06 -
Let rest for a few minutes. Serve hot in generous portions with crusty bread on the side.