1 baking potato, peeled and very thinly sliced
1 large onion, finely chopped
4 sprigs lemon thyme, leaves picked (normal thyme also works)
500g/1lb 2oz plain flour, plus extra for dusting
salt and freshly ground black pepper
150g/5½oz dried apricots, thinly sliced
2½ tsp salt
100g/3½oz strong white flour
125g/4½oz chilled salted butter, cubed
1 free-range egg, beaten
200g/7oz boneless chicken thighs, cut into bite-sized pieces
400g/14oz good-quality pork sausages, casings removed
150g/5½oz vegetable fat (such as Trex), plus extra for greasing