4 garlic cloves, crushed
2 leeks, halved and finely sliced
20g/¾oz fresh flat-leaf parsley, finely chopped
200g/7oz radishes, halved
6 fresh thyme sprigs
2 x 250g packet vacuum-packed puy lentils
300ml/10fl oz hot chicken stock
4 tsp mustard
sea salt and freshly ground black pepper
1½ tbsp olive oil
4 tbsp crème fraîche
4 free-range chicken breasts
40g/1½oz panko breadcrumbs