Turkey and sweet leek pie

Ingredients in this Recipe

1 egg, preferably free range or organic, beaten
1 x 500g packet puff pastry
12 jarred or vac packed chestnuts, roasted and peeled
2 heaped tablespoons plain flour, plus extra for dusting
2 rashers smoked streaky bacon, roughly chopped
2 sprigs fresh sage, leaves picked
2kg leeks, washed, trimmed; white end chopped into chunks, green end finely sliced
800g cooked white turkey meat, torn into big chunks (brown too if you want)
a large knob of butter
bunch of fresh thyme, leaves picked
olive oil
sea salt and freshly ground black pepper

See Full Recipe at Jamie Oliver