MODERATE EASY
Serves 6
Cook 1 hr 50 mins - 2 hrs
763 kcalories, protein 50g, carbohydrate 32g, fat 48g, saturated fat 20g, fibre 0g, sugar 0g, salt 2.46g
a good beef or buffalo fillet of around 1kg
3 tbsp olive oil
250g chestnut mushrooms, include some wild ones if you like
50g butter
1 large sprig fresh thyme
100ml dry white wine
12 slices prosciutto
500g pack puff pastry, thawed if frozen
a little flour, for dusting
2 egg yolks beaten with 1 tsp water
Special thanks to the Good Food Guide