450g/1lb butternut squash, peeled and cut into 1cm/½in cubes
2 limes, zest and juice
100²µ/3½´Ç³ú onion, thinly sliced
salt and freshly ground black pepper
1 tbsp olive oil
500ml/18fl oz vegetable stock
25g/1oz butter
375ml/13fl oz milk
450g/1lb pack ready-to-go ‘pain de campagne’ bread mix