2 medium courgettes, trimmed, halved lengthways and thickly sliced
2 large peppers, red and yellow, seeds removed, cut into 4cm/1陆in chunks
1 red onion, cut into 8 wedges
200g/7oz penne
salt and freshly ground black pepper
1 tbsp olive oil
50g/1戮 oz Parmesan, finely grated, or 75g/2陆oz mature Cheddar cheese
300ml/10fl oz single cream
6 sausages (around 400g/14oz), each cut into 3 pieces