400g/14oz Brussels sprouts, cut in half
3 garlic cloves, crushed to a paste with a little salt
1 tbsp fresh lemon juice
10g/â oz finely chopped parsley
salt and freshly ground black pepper
½ nutmeg, freshly grated
2 tbsp olive oil
50g/1¾oz butter, at room temperature
40g/1½oz Parmesan, finely grated