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Nutrition: Per serving

  • kcal315
  • fat18g
  • saturates11g
  • carbs30g
  • sugars2g
  • fibre3g
  • protein7g
  • salt0.52g
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Method

  • step 1

    Trim each potato at the edges to create a block shape, making sure you don’t waste too much. (Keep any offcuts in the freezer for soups and stews.) It doesn’t matter if they vary in size, as long as they are a rough rectangle or square shape. Cut the potatoes into 2mm-thick slices using a mandoline or sharp knife, keeping them stacked.

  • step 2

    Heat the oven to 200C/180C fan/gas 6. Brush some of the butter over a shallow baking sheet. Arrange the potato stacks on the sheet, fanning them out so they overlap in lines down the length of the sheet, with 3-4mm at the tops showing. Repeat until you have used all the potatoes. Drizzle over the remaining butter and season well. Scatter over the thyme and roast for 30 mins.

  • step 3

    Combine the cream, ham and mustard with half of the cheese, and season with some black pepper. Spoon this over the potatoes, then scatter over the remaining cheese. Roast for 15-20 mins until crispy and golden, and the cheese is bubbling.

Recipe from Good Food magazine, January 2026

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