Rhubarb and Apple Pie | Reader's Digest Australia

Ingredients

• 1 kg granny smith apples
• 1/3 cup (80 g) caster sugar, plus extra, for sprinkling
• 1/2 teaspoon ground cinnamon
• 1 bunch (500 g) rhubarb, trimmed and cut into 2 cm chunks
• 2.5 cups (300 g) plain flour
• 3 tablespoons icing sugar
• 150 g cold butter, chopped
• 3–4 tablespoons iced water
• 1 eggwhite, beaten
• ice cream, to serve