Smoked haddock & leek pasties

PASTRY INGREDIENTS 600 g plain flour, plus extra for dusting 300 g cold unsalted butter, cubed 180 ml iced water 1 medium free-range egg 2 tsp fennel seeds and nigella seeds Put the flour and butter in a bowl, and rub together until the mixture resembles breadcrumbs. Slowly add the water until the mix starts to form…