For the pie contents

  • 50g butter
  • 3 leeks , washed and finely sliced
  • 1 thyme sprig
  • 100g button mushrooms , sliced
  • 20g dried porcini mushrooms , roughly crumbled
  • 6 skinless and boneless chicken thighs, cut into chunks
  • 30g flour
  • splash of white wine (optional)
  • 300ml chicken stock
  • 100ml double cream
  • ½ lemon , juiced
  • 1 quantity pie pastry (see below), or use shop-bought

For the pie pastry

  • 125g lard , chopped
  • 125g butter , chopped
  • 650g plain flour , plus extra for dusting
  • 2 eggs , 1 beaten, 1 separated egg yolk for glazing (freeze the white for another recipe)