Preheat your oven to 200 C.

Cut the potatoes into 1 inch cubes and place in a large bowl, add the olive oil, pepper, garlic and onion powders and toss to coat the potatoes.

In a large pot, add the stock and butter and bring to a simmer. Add the potatoes and bring to a boil for 5-8 minutes, stirring gently until the potatoes are just slightly tender.

Transfer the potatoes and the stock to a large baking dish. Sprinkle with the cheese and gently mix to coat all the potatoes.

Bake for 45 minutes to 1 hour or until the all the potatoes are browned and crisp. During baking, flip the potatoes once to ensure even crisping. Season to taste with salt and pepper and serve as a side dish.