Ube nut pie

Pastry

• 95 g unsalted butter
• 50 g caster sugar
• 75 g walnuts
• 1 egg
• 180 g plain flour, plus extra to dust
• 40 g self-raising flour
• 10 g pure maple syrup

Ube filling

• 100 g ube powder
• 370 g coconut milk
• 280 g condensed milk
• 1 tsp vanilla essence
• 20 g pure maple syrup
• 1 tsp ground cinnamon
• walnuts, to decorate