Β½ lemon, juice only
100g/3Β½oz wild rocket leaves
10-12 fresh sage leaves, finely chopped
8 tbsp plain flour
splash balsamic vinegar
250g/9oz fresh breadcrumbs
olive oil, for drizzling
12 black peppercorns, crushed
180g/6ΒΌoz unsalted butter
2 free-range eggs, beaten
150ml/5fl oz milk
80g/3oz freshly grated parmesan, to serve
4 boneless chicken breasts, skin removed