• vegetable oil
  • 2 onions, thinly sliced
  • 2 tbsp goose fat, lard or oil, melted
  • (such as King Edward) 800g floury potatoes, thinly sliced
  • grated to make a couple of handfuls cheddar


  • STEP 1

    Heat the oven to 200c/fan 180c/gas 6. Heat 2tbsp oil in a frying pan and soften the onions for 7 minutes until they start to caramelise. Remove and drain on kitchen paper. Clean the pan, return to the heat and add ½ the fat.

  • STEP 2

    Add a layer of potato, then onion and season. repeat until you have used all the potatoes and onions. Spoon over the remaining melted fat, cover with foil and cook on a high shelf for 25-30 minutes. Remove the foil and test with a sharp knife – it should glide through easily.

  • STEP 3

    Sprinkle with the cheddar then pop under a hot grill until golden and bubbly. Run a knife around the edges and slide onto a plate.


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