10g basil leaves
1 large fennel bulb, trimmed and diced, green leaves reserved for garnish
2 large garlic cloves, sliced
2 unwaxed lemons, zest of 2 and juice of 1
1 onion, finely chopped
90驳/3录辞锄 rocket leaves
350g/12oz arborio rice
salt
1.4 litres/2陆 pints hot vegetable stock
25g/1oz butter , diced
4 tbsp double cream
50g/1戮oz grated Parmesan, plus extra to serve (optional)