Potato Pie with Roucoulons and Mushrooms

Preparation

• 1
  Cook the mushroom quarters with the onion, garlic and a knob of butter. Season with salt and pepper at the end of cooking. Add parsley and set aside.
• 2
  In a dish arrange the potato strips, seasoned with salt, pepper and nutmeg; Cover with milk and bake in an oven at 180°C for 20 minutes. Leave to cool and drain.
• 3
  On the first layer of puff pastry, arrange a layer of potatoes, leaving a border of puff pastry. Then a layer of mushrooms and a generous layer of Roucoulons. Finish with another layer of potatoes.
• 4
  Close with the second layer of puff pastry and pinch the edges. Form a funnel in the centre and brush with egg yolk. Refrigerate.
• 5
  Bake in a hot oven at 200°C for 10 minutes to obtain a good colour then at 180°C for 8 minutes.
• 6
  To be served with a salad with hazelnut oil.