Roast nectarine tart

Ingredients

• 1 2/3 cup (250g) plain flour
• 2/3 cup (110g) icing sugar mixture
• 125 grams cold butter, chopped
• 1 egg yolk
• 1 1/2 tablespoon cold water
• 1.6 kilograms small firm nectarines, halved
• 1/2 cup (100g) firmly packed brown sugar
• 1/4 cup (60ml) orange juice
• Creme patissiere
• 1 cup (250ml) cream
• 1 1/2 cup (375ml) milk
• 1/2 cup (110g) caster sugar
• 1 vanilla bean, split lengthways
• 2 eggs
• 1/4 cup (35g) cornflour
• 90 grams butter, chopped