
To make your own oven chips, start by preheating your over to 200 degrees C (400 degrees F). Cook potatoes in boiling water for 5 minutes. Drain, dry and cut into thick chips. Brush a non-stick baking tray with a little oil. Toss chips in beaten egg white of 1 egg. Shake off the excess and spread the chips out on a tray. Bake for 35 minutes, turning halfway through.
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Instead of butter, mash your potatoes with skimmed milk or low-fat spread. This will still give your potatoes the fluffy texture you love, minus the extra calories.

For low-fat roast potatoes, parboil them. Heat your oven to 200 degrees C (400 degrees F). Mix 1/2 teaspoon of salt with 1 tablespoon of olive oil in a bowl. Coat the potatoes in the oil, then place on a baking tray and roast for 50 – 55 minutes, until crispy.
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Serve jacket potatoes with low-fat natural yoghurt or add lemon juice and black pepper for flavour rather than oils or butter.
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Make boulangère potatoes with stock instead of cream and cheese. Thinly slice potatoes and an onion. Soak the slices in cold water for 15 minutes. Heat oven to 180 degrees C (350 degrees F). Drain and dry potatoes and onions. Layer with salt, pepper and grated nutmeg in a shallow ovenproof dish. Pour 600 ml of vegetable stock mixed with a crushed clove of garlic over the potatoes. Dot with low-fat spread and bake in the oven for 1 hour and 30 minutes.