½ small eating apple, peeled and diced
3 large onions, thinly sliced
small bunch fresh sage, leaves only (about 15 leaves required)
few fresh sage leaves, finely chopped (optional)
300ml/10fl oz chicken or pork stock
1 tbsp plain flour, plus extra for dusting
salt and freshly ground black pepper
15g/½oz fresh breadcrumbs
1 tbsp olive oil
40g/1½oz butter
1 tbsp softened butter
1 free-range egg, beaten
1 block (400–500g/14oz–1lb 2oz) puff pastry
1 pork fillet, approx. 500g/1lb 2oz
6–8 slices prosciutto or Parma ham
75ml/2½fl oz dry cider
100ml/3½fl oz dry cider