Potato Mushroom Gratin

READY IN: 1hr 15mins
SERVES: 4
UNITS: US

INGREDIENTS

Nutrition
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DIRECTIONS

  • Preheat the oven to 425°F/220°C/Gas 7.
  • Coat a 9-inch square casserole or baking dish with olive oil, and lay the rosemary sprig on the bottom.
  • Layer half of the potato slices over the bottom of the dish and top with half of the sliced mushrooms, half of the garlic, half of the thyme and half of the walnuts; and sprinkle generously with the olive oil, salt, and pepper.
  • Top with the remaining potatoes, then scatter the remaining mushrooms, garlic, thyme and walnuts over the top of the mixture, and sprinkle with olive oil, salt and pepper.
  • Bake, uncovered, until the top is golden and crusty, about 1 hour.
  • Serve hot.
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