Chocolate Pecan Pie

Pastry

• 250 g all-purpose flour, plus extra for dusting
• 60 g sugar
• 150 g unsalted butter, chilled and cut into pieces
• 1 egg yolk, from large egg
• 40 g cold water

Filling

• 100 g dark chocolate chips
• 300 g raw pecan nut halves, divided
• 30 g unsalted butter, cut into pieces
• 80 g white sugar
• 80 g brown sugar
• 50 g maple syrup, pure, plus extra for brushing
• 2 large eggs
• 3 egg yolks, from large eggs
• 1 tsp vanilla extract, natural
• cream, any type or ice cream, to serve