200g/7oz waxy new potatoes, such as Jersey Royals, peeled or scrubbed and sliced into 3-5mm thick pieces
1 onion, chopped
4 tbsp chopped flatleaf parsley
250g/9oz swede, peeled and sliced into 3-5mm thick pieces
1 tbsp cracked black pepper
1½ tsp salt
pinch salt
½ tsp flaky sea salt
750g/1lb 10oz strong white bread flour
75g/2¾oz cold butter, diced
4 knobs of butter
1 free-range egg, plus one yolk, beaten for glaze
100g/3½oz cold lard, diced
500g/1lb 2oz smoked haddock, skinned, pin boned and cut into 1cm/½in chunks