Potato-fennel gratin Recipe | Food Network UK

Potato-fennel gratin Recipe | Food Network UK

foodnetwork.co.uk

This mouth-watering recipe is ready in just 2 hours and 5 minutes and the ingredients detailed below can serve up to 10 people.

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Ingredients

  • 2 small fennel bulbs
  • 1 yellow onion, thinly sliced
  • 2 tbsp good olive oil
  • 15g unsalted butter
  • 900g russet potatoes (4 large potatoes)
  • 480ml plus 30ml double cream
  • 250g grated gruyere cheese
  • 1 tsp kosher salt
  • 1/2 tsp freshly ground black pepper

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