1kg/2lb 4oz onions, roughly chopped
1.15kg/2陆lb greens (mix of chard, spinach or other greens)
375g/13oz plain flour, plus extra for dusting
salt and freshly ground black pepper
grated nutmeg, to taste
4 tbsp olive oil
2 tbsp olive oil, plus extra for brushing
1 tsp salt
2 tsp caster sugar (optional)
9 large free-range eggs, 4 beaten, 5 left whole
85g/3oz Parmesan, finely grated
350g/12oz ricotta