Thinly slice the potatoes around 2cm thick.
Heat a large frying pan that possesses a lid.
Add the oil followed by the butter.
Remove the pan from the heat and place layers of the potatoes, onions and cheese, reserving a little of the cheese.
Cover and cook gently for about 30 minutes or until the potatoes and onions are cooked.
Pre-heat the grill five minutes before the end of the cooking time.
Sprinkle the reserved cheese over the top of the mixture, place under grill until the cheese is golden brown and bubbling.
Serve hot with Chicken Crumble.
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Key Ingredients: Potatoes, cheddar cheese, onion, butter, salt, vegetable oil, black pepper