Maple Pecan Pie

Pastry

• 70 g unsalted butter, chilled, cut into pieces, plus extra to grease
• 140 g all-purpose flour
• ½ tsp baking powder
• 1 pinch salt
• 30 g powdered sugar
• 2 egg yolks, from large eggs
• 2 tbsp whole milk, chilled

Filling

• 140 g pecan nut halves, raw, divided
• 220 g granulated maple sugar
• 2 tbsp all-purpose flour, plus extra to dust
• 2 tbsp cornstarch
• 1 egg, large
• 225 g whipping cream, 33%-35% M.F.