1.Heat the oil and half the butter in a large pan. Add onion and chopped bacon, then cook over a medium heat for 5 minutes. Stir in rice and cook for 1 minute, stirring. Add stock gradually, a ladleful at a time, adding more as liquid is absorbed.
2.Taste a rice grain to check it is cooked – if not, add an extra splash of water or stock and cook for a further 2 minutes.
3.Drain silverbeet and squeeze lightly to remove excess water. Add to the risotto with spring onions and parmesan. Stir in the remaining butter and season to taste.
4.Stir in chives and crispy bacon, garnish with the remaining parmesan and serve.