1 small red onion, peeled and chopped
2 cloves garlic, peeled and crushed
1 tbsp olive oil
250 g arborio rice, rinsed and drained well
600 ml vegetable stock or 1 vegetable stock cube made up with 600 ml boiling water
1 red pepper, halved, deseeded and cut into 2.5 cm pieces
225 g asparagus, blanched, refreshed and cut in half lengthways
375 g cooked skinless turkey, cut into strips
250 g chestnut mushrooms,wiped and sliced
75 g grated parmesan cheese
1 tbsp truffle butter
salt and freshly ground black pepper
20 g basil leaves, torn into small pieces
a few parmesan shavings