140 g | 1 3/4 cups plain (all purpose) flour 125 g | 4 1/2oz | 1 1/8 sticks cold unsalted butter , cubed 50 g | 1/3 cup icing (powdered) sugar 1 egg yolk 2 tbsp milk 1 tsp cinnamon ¼ tsp salt For the pie filling 425 g (15oz) tin Libby’s pumpkin purée 340 ml | 12oz full-fat evaporated milk 135 g | 2/3 cup brown sugar 2 large eggs 2 teaspoons ANGOSTURA® orange bitters dash of ANGOSTURA® aromatic bitters 2 tbsp flour 1 tbsp cornflour (cornstarch) 1 teaspoon ground cinnamon 1/2 teaspoon ground ginger 1/4 teaspoon ground nutmeg 1/8 teaspoon ground cloves 1 small egg , lightly beaten for egg wash