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Crispy Roast Sweet Potatoes Recipe

Just like traditional roast potatoes, but with sweet potatoes, as they are tastier, prettier and healthier. The secret ingredient that makes them super crispy is the polenta. These are perfect served with a nut loaf for a Sunday roast, for Christmas or any celebration meal.

Customer Rating:
5.0 (1 votes)

Posted by: michael




30 - 60 mins

Skill Level




Courses etc.

Christmas Recipes
Side dishes

You will need

1 kilo sweet potatoes OR More products
1 kilo Arran Victory potatoes OR

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More products
1 kilo Pink Fir Apple potatoes

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More products
50g butter OR Available only in our Tollcross shop More products
4 tbsp olive oil More products
1 tbsp polenta More products
black sea salt flakes OR

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Maldon sea salt flakes More products
freshly ground black pepper More products

Need help converting measurements? View our recipe measurement conversion tables here.


  • Preheat the oven to 200C (180C if you have a fan oven).
  • Peel the sweet potatoes or regular potatoes and cut them into the size you wish.
  • Put them in a saucepan with enough water to cover them, bring to the boil and cook for about 3 minutes.
  • Drain the sweet potatoes or potatoes and shake them in the strainer to scruff their surface off.
  • Put the butter to melt / the olive oil to heat in a roasting pan in the hot oven.
  • Sprinkle the polenta over the sweet potatoes / potatoes and tip them onto the hot butter / oil.
  • Season with sea salt flakes and freshly ground black pepper.
  • Cook for 30 to 45 minutes, until crispy and golden.

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Shopping List

Picture of Sweet Potato ORGANIC
Sweet Potato ORGANIC
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Picture of Arran Victory Potato ORGANIC
Arran Victory Potato ORGANIC
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Green Edinburgh Click and Collect Extra sticker
Picture of Fir Apple Potato Pink ORGANIC
Fir Apple Potato Pink ORGANIC
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Polenta Flour Gluten Free, ORGANIC
Infinity Foods (500g)
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Sea Salt
Maldon (240g)
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Italian Olive Oil ORGANIC
Suma (500ml)
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Ground Black Pepper
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