20 button mushrooms, cut into quarters
1 tbsp chopped fresh flatleaf parsley
225g/8oz plain flour, sifted
freshly ground black pepper
light olive oil, for greasing
125ml/4陆fl oz extra virgin olive oil
olive oil, for frying
20ml/戮fl oz red wine vinegar
7驳/录辞锄 salt
sea salt
7驳/录辞锄 fresh yeast
60g/2陆oz unsalted butter
4 duck eggs
150g/5oz piece pancetta, sliced into lardons