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We love a potato at Slimming World – and roasties cooked using low-calorie cooking spray instead of oil are completely Free, so you never need to skimp on your Sunday dinner.  

While our crispy on the outside, fluffy on the inside roast potatoes are delicious as they are, this simple Marmite roast potatoes recipe takes them to the next level. Whether you love it or hate it, a spoonful of Marmite adds a deep, meaty flavour to the humble potato – a taste bud-tingling transformation that has to be tasted to be believed! 

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Slimming World Marmite roast potatoes recipe 

serves 4 
ready in 55 minutes 

What you need: 

1kg floury potatoes, such as Maris Piper or King Edward, peeled and cut into bite-size chunks 
1½ tbsp Marmite yeast extract 
low-calorie cooking spray 

What you do: 

1 Preheat your oven to 220°C/fan 200°C/gas 7. 

2 Cook the potatoes in a pan of boiling water for 6-8 minutes or until they’re just starting to soften. Drain well and give them a shake in the colander to rough up the edges, then stir the Marmite through (add 1 tbsp hot water to the Marmite first, if you think it needs to be a little thinner).  

3 Tip the spuds into a non-stick baking tray or roasting tin. Spray them with low-calorie cooking spray, sprinkle over a little salt and toss well. Roast at the top of your oven for 30-35 minutes, or until they’re crisp and golden, turning halfway.  

What's included when you join a friendly Slimming World group

Slimming World Marmite roast potatoes video 

More on the blog: Chicken, pork or vegetarian – what’s your Sunday dinner winner? 

Roast with the most 

Slimming World members have access to more than 1,900 recipes on the Slimming World app and website – including a wide range of roasts, with all your traditional family favourites and roasts with a twist (like garlicky chicken or Mediterranean fish). Whatever you fancy, we’ve got a delicious slimming-friendly recipe to make Sunday dinner a doddle. 

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