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Ingredients

Method

  • STEP 1

    Heat oven to 200C/fan 180C/gas 6. Place the onions on a baking tray, brush with olive oil, season, then cook for about 1 hr until golden and tender.

  • STEP 2

    Meanwhile, mix the potato and carrot together, then stir in the mustard and seasoning. Divide the mixture between the onions, then dot the top of each one with a little butter.

  • STEP 3

    Return the onions to the oven and cook for 15 mins until they are meltingly tender. Sprinkle with the cheese, then cook for a further 5 mins until the topping is golden and bubbling.

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A star rating of 3.5 out of 5.2 ratings
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