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Parmesan onion gratin with crispy breadcrumbs recipe

Parmesan onion gratin with crispy breadcrumbs recipe

1 rating

Position the humble British onion centre stage with this melt-in-the-mouth autumn dish. See method

  • Serves 4
  • 10mins to prepare and 40mins to cook
  • 330 calories / serving


  • 4 onions
  • 2 tbsp extra-virgin olive oil
  • 125ml (4fl oz) double cream
  • 3 sprigs fresh thyme
  • 50g (2oz) grated Parmesan
  • 1 slice sourdough bread

Each serving contains

  • Energy

  • Fat

    26g 37%
  • Saturates

    14g 70%
  • Sugars

    9g 10%
  • Salt

    0.5g <1%

of the reference intake
Carbohydrate 16.3g Protein 7.5g Fibre 2.9g


  1. Preheat the oven to gas 5, 190°C, fan 170°C.
  2. Put the onions on a baking sheet lined with nonstick baking paper. Season well, drizzle with 1tbsp of the olive oil and bake for 15 minutes.
  3. Remove the onions from the oven and put them in a large shallow baking dish. Pour the cream over, then sprinkle with the thyme and Parmesan.
  4. Mix the remaining olive oil with the breadcrumbs and spoon on top of the gratin. Bake for 20-25 minutes or until golden and bubbling.

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