wilted greens, such as kale or chard, to serve
400g/14oz floury potatoes (such as Maris Piper), peeled
2 garlic cloves, crushed
10 sage leaves, roughly chopped
2 round shallots
4 turnips, peeled
2 tbsp baby capers, drained
salt and freshly ground black pepper
25g/1oz hazelnuts, roughly chopped
¼ whole nutmeg, grated, or ¼ tsp ground nutmeg
2 tbsp neutral oil, such as light olive oil
300³¾±ô/½±è³Ù vegetable stock
butter, for greasing
300³¾±ô/½±è³Ù double cream
75g/2½oz finely grated Parmesan
50²µ/1¾´Ç³ú panko breadcrumbs