handful basil leaves, to garnish (optional)
180驳/6录辞锄 cherry tomatoes
1 courgette, cut into 2cm/戮in chunks
1 red pepper, seeds removed and cut into chunks
4 medium potatoes (about 400g/14oz in total), scrubbed and sliced into 1cm/陆in thick wedges
1 red onion, quartered, or 1 leek, cut into pieces
150ml/5fl oz chicken stock
olive oil spray
2 tbsp tomato pur茅e
8 pork sausages