Apple Pie Bars

Pastry base

• 150 g plain flour
• 20 g granulated sugar
• 100 g unsalted butter, chilled, diced
• 1 egg yolk

Filling

• 400 g Granny Smith apples, peeled, cored and quartered before weighing
• 250 g condensed milk

Crumble Topping

• 100 g plain flour
• 50 g unsalted butter, chilled, diced
• 50 g granulated sugar