250g/9oz floury potatoes, peeled and sliced into 1cm/½in thick chips
100²µ/3½´Ç³ú onion, chopped
150²µ/5½´Ç³ú swede, peeled and sliced into 1cm/½in thick chips
500g/1lb 2oz plain flour, plus extra for dusting
salt and freshly ground black pepper
1½ tsp salt
500g/1lb 2oz cold butter, cut into 2cm/¾in cubes
1 free-range egg, beaten, to glaze
400g/14oz skirt steak, cut into 1cm/½in pieces